diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 3ad2b2965..748ac52ba 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -25,11 +25,6 @@ parameters:
 			count: 4
 			path: src/Propel/Common/Config/PropelConfiguration.php
 
-		-
-			message: "#^Access to an undefined property Propel\\\\Generator\\\\Model\\\\Table\\:\\:\\$isArchiveTable\\.$#"
-			count: 1
-			path: src/Propel/Generator/Behavior/Archivable/ArchivableBehavior.php
-
 		-
 			message: "#^Call to an undefined method Propel\\\\Generator\\\\Config\\\\GeneratorConfigInterface\\:\\:get\\(\\)\\.$#"
 			count: 1
@@ -40,6 +35,11 @@ parameters:
 			count: 1
 			path: src/Propel/Generator/Behavior/ConcreteInheritance/ConcreteInheritanceBehavior.php
 
+		-
+			message: "#^Parameter \\#1 \\$unique of method Propel\\\\Generator\\\\Model\\\\Table\\:\\:addUnique\\(\\) expects array\\|Propel\\\\Generator\\\\Model\\\\Unique, Propel\\\\Generator\\\\Model\\\\Index given\\.$#"
+			count: 1
+			path: src/Propel/Generator/Behavior/SyncedTable/TableSyncer.php
+
 		-
 			message: "#^Access to an undefined property Propel\\\\Generator\\\\Model\\\\Table\\:\\:\\$isVersionTable\\.$#"
 			count: 1
@@ -195,19 +195,9 @@ parameters:
 			count: 1
 			path: src/Propel/Generator/Manager/AbstractManager.php
 
-		-
-			message: "#^Strict comparison using \\=\\=\\= between int and null will always evaluate to false\\.$#"
-			count: 1
-			path: src/Propel/Generator/Model/Domain.php
-
-		-
-			message: "#^Strict comparison using \\=\\=\\= between array\\<Propel\\\\Generator\\\\Model\\\\ForeignKey\\> and null will always evaluate to false\\.$#"
-			count: 1
-			path: src/Propel/Generator/Model/Table.php
-
 		-
 			message: "#^Call to an undefined method Propel\\\\Generator\\\\Config\\\\GeneratorConfigInterface\\:\\:get\\(\\)\\.$#"
-			count: 2
+			count: 1
 			path: src/Propel/Generator/Platform/MysqlPlatform.php
 
 		-
@@ -380,11 +370,6 @@ parameters:
 			count: 1
 			path: src/Propel/Runtime/Collection/ObjectCombinationCollection.php
 
-		-
-			message: "#^Return type \\(Propel\\\\Runtime\\\\Collection\\\\OnDemandIterator\\) of method Propel\\\\Runtime\\\\Collection\\\\OnDemandCollection\\:\\:getIterator\\(\\) should be compatible with return type \\(Propel\\\\Runtime\\\\Collection\\\\CollectionIterator\\) of method Propel\\\\Runtime\\\\Collection\\\\Collection\\:\\:getIterator\\(\\)$#"
-			count: 1
-			path: src/Propel/Runtime/Collection/OnDemandCollection.php
-
 		-
 			message: "#^Call to an undefined method Propel\\\\Runtime\\\\Connection\\\\ConnectionWrapper\\:\\:getProfiler\\(\\)\\.$#"
 			count: 3
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index b213fa1c3..4a44622d3 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -11,7 +11,7 @@
     </UndefinedPropertyAssignment>
   </file>
   <file src="src/Propel/Generator/Behavior/Versionable/VersionableBehavior.php">
-    <UndefinedPropertyAssignment occurrences="1">
+    <UndefinedPropertyAssignment occurrences="2">
       <code>$versionTable-&gt;isVersionTable</code>
     </UndefinedPropertyAssignment>
   </file>
diff --git a/src/Propel/Generator/Behavior/Archivable/ArchivableBehavior.php b/src/Propel/Generator/Behavior/Archivable/ArchivableBehavior.php
index c34548e00..8159c73c8 100644
--- a/src/Propel/Generator/Behavior/Archivable/ArchivableBehavior.php
+++ b/src/Propel/Generator/Behavior/Archivable/ArchivableBehavior.php
@@ -8,49 +8,39 @@
 
 namespace Propel\Generator\Behavior\Archivable;
 
+use Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior;
 use Propel\Generator\Builder\Om\AbstractOMBuilder;
 use Propel\Generator\Exception\InvalidArgumentException;
-use Propel\Generator\Exception\SchemaException;
-use Propel\Generator\Model\Behavior;
 use Propel\Generator\Model\Column;
-use Propel\Generator\Model\ForeignKey;
-use Propel\Generator\Model\Index;
 use Propel\Generator\Model\Table;
-use Propel\Generator\Platform\PgsqlPlatform;
-use Propel\Generator\Platform\PlatformInterface;
-use Propel\Generator\Platform\SqlitePlatform;
 
 /**
  * Keeps tracks of an ActiveRecord object, even after deletion
  *
  * @author Francois Zaninotto
  */
-class ArchivableBehavior extends Behavior
+class ArchivableBehavior extends SyncedTableBehavior
 {
     /**
-     * Default parameters value
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::DEFAULT_SYNCED_TABLE_SUFFIX
      *
-     * @var array<string, mixed>
+     * @var string DEFAULT_SYNCED_TABLE_SUFFIX
      */
-    protected $parameters = [
-        'archive_table' => '',
-        'archive_phpname' => null,
-        'archive_class' => '',
-        'sync' => 'false',
-        'inherit_foreign_key_relations' => 'false',
-        'inherit_foreign_key_constraints' => 'false',
-        'foreign_keys' => null,
-        'log_archived_at' => 'true',
-        'archived_at_column' => 'archived_at',
-        'archive_on_insert' => 'false',
-        'archive_on_update' => 'false',
-        'archive_on_delete' => 'true',
-    ];
+    protected const DEFAULT_SYNCED_TABLE_SUFFIX = '_archive';
 
     /**
-     * @var \Propel\Generator\Model\Table|null
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::PARAMETER_KEY_SYNCED_TABLE
+     *
+     * @var string
      */
-    protected $archiveTable;
+    public const PARAMETER_KEY_SYNCED_TABLE = 'archive_table';
+
+    /**
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::PARAMETER_KEY_SYNCED_PHPNAME
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNCED_PHPNAME = 'archive_phpname';
 
     /**
      * @var \Propel\Generator\Behavior\Archivable\ArchivableBehaviorObjectBuilderModifier|null
@@ -63,18 +53,29 @@ class ArchivableBehavior extends Behavior
     protected $queryBuilderModifier;
 
     /**
-     * @return void
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::getDefaultParameters()
+     *
+     * @return array
      */
-    public function modifyDatabase(): void
+    protected function getDefaultParameters(): array
     {
-        foreach ($this->getDatabase()->getTables() as $table) {
-            if ($table->hasBehavior($this->getId())) {
-                // don't add the same behavior twice
-                continue;
-            }
-            $b = clone $this;
-            $table->addBehavior($b);
-        }
+        return [
+            static::PARAMETER_KEY_SYNCED_TABLE => '',
+            static::PARAMETER_KEY_SYNCED_PHPNAME => null,
+            'archive_class' => '',
+            static::PARAMETER_KEY_SYNC => 'false',
+            static::PARAMETER_KEY_INHERIT_FOREIGN_KEY_RELATIONS => 'false',
+            static::PARAMETER_KEY_INHERIT_FOREIGN_KEY_CONSTRAINTS => 'false',
+            static::PARAMETER_KEY_FOREIGN_KEYS => null,
+            static::PARAMETER_KEY_SYNC_INDEXES => 'true',
+            static::PARAMETER_KEY_SYNC_UNIQUE_AS => null,
+            static::PARAMETER_KEY_EMPTY_ACCESSOR_COLUMNS => 'true',
+            'log_archived_at' => 'true',
+            'archived_at_column' => 'archived_at',
+            'archive_on_insert' => 'false',
+            'archive_on_update' => 'false',
+            'archive_on_delete' => 'true',
+        ];
     }
 
     /**
@@ -84,275 +85,40 @@ public function modifyDatabase(): void
      */
     public function modifyTable(): void
     {
-        if ($this->getParameter('archive_class') && $this->getParameter('archive_table')) {
+        if ($this->getParameter('archive_class') && $this->getParameter(static::PARAMETER_KEY_SYNCED_TABLE)) {
             throw new InvalidArgumentException('Please set only one of the two parameters "archive_class" and "archive_table".');
         }
         if (!$this->getParameter('archive_class')) {
-            $this->addArchiveTable();
-        }
-    }
-
-    /**
-     * @return string
-     */
-    protected function getArchiveTableName(): string
-    {
-        return $this->getParameter('archive_table') ?: ($this->getTable()->getOriginCommonName() . '_archive');
-    }
-
-    /**
-     * @return void
-     */
-    protected function addArchiveTable(): void
-    {
-        $table = $this->getTable();
-        $database = $table->getDatabase();
-        $archiveTableName = $this->getArchiveTableName();
-
-        $archiveTableExistsInSchema = $database->hasTable($archiveTableName);
-
-        $this->archiveTable = $archiveTableExistsInSchema ?
-            $database->getTable($archiveTableName) :
-            $this->createArchiveTable();
-
-        if ($archiveTableExistsInSchema && !$this->parameterHasValue('sync', 'true')) {
-            return;
-        }
-
-        $this->syncTables();
-    }
-
-    /**
-     * @return \Propel\Generator\Model\Table
-     */
-    protected function createArchiveTable(): Table
-    {
-        $sourceTable = $this->getTable();
-        $database = $sourceTable->getDatabase();
-
-        // create the version table
-        return $database->addTable([
-            'name' => $this->getArchiveTableName(),
-            'phpName' => $this->getParameter('archive_phpname'),
-            'package' => $sourceTable->getPackage(),
-            'schema' => $sourceTable->getSchema(),
-            'namespace' => $sourceTable->getNamespace() ? '\\' . $sourceTable->getNamespace() : null,
-            'identifierQuoting' => $sourceTable->isIdentifierQuotingEnabled(),
-        ]);
-    }
-
-    /**
-     * @return \Propel\Generator\Model\Table
-     */
-    protected function syncTables(): Table
-    {
-        $archiveTable = $this->getArchiveTable();
-        $sourceTable = $this->getTable();
-
-        $columns = $sourceTable->getColumns();
-        $this->syncColumns($archiveTable, $columns);
-
-        $this->addArchivedAtColumn($archiveTable);
-
-        $foreignKeys = $this->getParameter('foreign_keys');
-        if ($foreignKeys) {
-            foreach ($foreignKeys as $fkData) {
-                $this->createForeignKeyFromParameters($archiveTable, $fkData);
-            }
-        }
-
-        $inheritFkRelations = $this->parameterHasValue('inherit_foreign_key_relations', 'true');
-        $inheritFkConstraints = $this->parameterHasValue('inherit_foreign_key_constraints', 'true');
-        if ($inheritFkRelations || $inheritFkConstraints) {
-            $foreignKeys = $sourceTable->getForeignKeys();
-            $this->syncForeignKeys($archiveTable, $foreignKeys, $inheritFkConstraints);
-        }
-
-        $indexes = $sourceTable->getIndices();
-        $platform = $sourceTable->getDatabase()->getPlatform();
-        $renameIndexes = $this->isDistinctiveIndexNameRequired($platform);
-        $this->syncIndexes($archiveTable, $indexes, $renameIndexes);
-
-        $uniqueIndexes = $sourceTable->getUnices();
-        $this->syncUniqueIndexes($archiveTable, $uniqueIndexes);
-
-        $behaviors = $sourceTable->getDatabase()->getBehaviors();
-        $this->reapplyBehaviors($behaviors);
-
-        return $archiveTable;
-    }
-
-    /**
-     * @param \Propel\Generator\Model\Table $archiveTable
-     * @param array<\Propel\Generator\Model\Column> $columns
-     *
-     * @return void
-     */
-    protected function syncColumns(Table $archiveTable, array $columns)
-    {
-        foreach ($columns as $sourceColumn) {
-            if ($archiveTable->hasColumn($sourceColumn)) {
-                continue;
-            }
-            $archiveColumn = clone $sourceColumn;
-            $archiveColumn->clearReferrers();
-            $archiveColumn->setAutoIncrement(false);
-            $archiveTable->addColumn($archiveColumn);
+            parent::modifyTable();
         }
     }
 
     /**
-     * @param \Propel\Generator\Model\Table $archiveTable
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param bool $tableExistsInSchema
      *
      * @return void
      */
-    protected function addArchivedAtColumn(Table $archiveTable)
+    public function addTableElements(Table $syncedTable, $tableExistsInSchema): void
     {
-        if (!$this->parameterHasValue('log_archived_at', 'true')) {
-            return;
-        }
-        $columnName = $this->getParameter('archived_at_column');
-        if ($archiveTable->hasColumn($columnName)) {
-            return;
-        }
-        $archiveTable->addColumn([
-            'name' => $columnName,
-            'type' => 'TIMESTAMP',
-        ]);
+        parent::addTableElements($syncedTable, $tableExistsInSchema);
+        $this->addCustomColumnsToSyncedTable($syncedTable);
     }
 
     /**
-     * @param \Propel\Generator\Model\Table $archiveTable
-     * @param array<\Propel\Generator\Model\ForeignKey> $foreignKeys
-     * @param bool $inheritConstraints
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::addCustomColumnsToSyncedTable()
      *
-     * @return void
-     */
-    protected function syncForeignKeys(Table $archiveTable, array $foreignKeys, bool $inheritConstraints)
-    {
-        foreach ($foreignKeys as $foreignKey) {
-            if ($archiveTable->containsForeignKeyWithSameName($foreignKey)) {
-                continue;
-            }
-            $copiedForeignKey = clone $foreignKey;
-            $copiedForeignKey->setSkipSql(!$inheritConstraints);
-            $archiveTable->addForeignKey($copiedForeignKey);
-        }
-    }
-
-    /**
-     * @param \Propel\Generator\Model\Table $archiveTable
-     * @param array<\Propel\Generator\Model\Index> $indexes
-     * @param bool $rename
+     * @param \Propel\Generator\Model\Table $syncedTable
      *
      * @return void
      */
-    protected function syncIndexes(Table $archiveTable, array $indexes, bool $rename)
+    protected function addCustomColumnsToSyncedTable(Table $syncedTable)
     {
-        foreach ($indexes as $index) {
-            $copiedIndex = clone $index;
-            if ($rename) {
-                // by removing the name, Propel will generate a unique name based on table and columns
-                $copiedIndex->setName(null);
-            }
-            if ($archiveTable->hasIndex($index->getName())) {
-                continue;
-            }
-            $archiveTable->addIndex($copiedIndex);
+        if ($this->parameterHasValue('log_archived_at', 'true')) {
+            $this->addColumnFromParameterIfNotExists($syncedTable, 'archived_at_column', ['type' => 'TIMESTAMP']);
         }
     }
 
-    /**
-     * Create regular indexes from unique indexes on the given archive table.
-     *
-     * The archive table cannot use unique indexes, as even unique data on the
-     * source table can be archived several times.
-     *
-     * @param \Propel\Generator\Model\Table $archiveTable
-     * @param array<\Propel\Generator\Model\Unique> $uniqueIndexes
-     *
-     * @return void
-     */
-    protected function syncUniqueIndexes(Table $archiveTable, array $uniqueIndexes)
-    {
-        foreach ($uniqueIndexes as $unique) {
-            $index = new Index();
-            $index->setTable($archiveTable);
-            foreach ($unique->getColumns() as $columnName) {
-                $columnDef = [
-                    'name' => $columnName,
-                    'size' => $unique->getColumnSize($columnName),
-                ];
-                $index->addColumn($columnDef);
-            }
-
-            if ($archiveTable->hasIndex($index->getName())) {
-                continue;
-            }
-            $archiveTable->addIndex($index);
-        }
-    }
-
-    /**
-     * @param array $behaviors
-     *
-     * @return void
-     */
-    protected function reapplyBehaviors(array $behaviors)
-    {
-        foreach ($behaviors as $behavior) {
-            if ($behavior instanceof ArchivableBehavior) {
-                continue;
-            }
-            $behavior->modifyDatabase();
-        }
-    }
-
-    /**
-     * @psalm-param array{name?: string, localColumn: string, foreignTable: string, foreignColumn: string, relationOnly?: string} $fkParameterData
-     *
-     * @param \Propel\Generator\Model\Table $table
-     * @param array $fkParameterData
-     *
-     * @throws \Propel\Generator\Exception\SchemaException
-     *
-     * @return void
-     */
-    protected function createForeignKeyFromParameters(Table $table, array $fkParameterData): void
-    {
-        if (
-            empty($fkParameterData['localColumn']) ||
-            empty($fkParameterData['foreignColumn'])
-        ) {
-            $tableName = $this->table->getName();
-
-            throw new SchemaException("Table `$tableName`: Archivable behavior misses foreign key parameters. Please supply `localColumn`, `foreignTable` and `foreignColumn` for every entry");
-        }
-
-        $fk = new ForeignKey($fkParameterData['name'] ?? null);
-        $fk->addReference($fkParameterData['localColumn'], $fkParameterData['foreignColumn']);
-        $table->addForeignKey($fk);
-        $fk->loadMapping($fkParameterData);
-    }
-
-    /**
-     * @param \Propel\Generator\Platform\PlatformInterface|null $platform
-     *
-     * @return bool
-     */
-    protected function isDistinctiveIndexNameRequired(?PlatformInterface $platform): bool
-    {
-        return $platform instanceof PgsqlPlatform || $platform instanceof SqlitePlatform;
-    }
-
-    /**
-     * @return \Propel\Generator\Model\Table|null
-     */
-    public function getArchiveTable(): ?Table
-    {
-        return $this->archiveTable;
-    }
-
     /**
      * @param \Propel\Generator\Builder\Om\AbstractOMBuilder $builder
      *
@@ -364,7 +130,7 @@ public function getArchiveTablePhpName(AbstractOMBuilder $builder): string
             return $this->getParameter('archive_class');
         }
 
-        $archiveTable = $this->getArchiveTable();
+        $archiveTable = $this->getSyncedTable();
         $tableStub = $builder->getNewStubObjectBuilder($archiveTable);
 
         return $builder->getClassNameFromBuilder($tableStub);
@@ -381,7 +147,7 @@ public function getArchiveTableQueryName(AbstractOMBuilder $builder): string
             return $this->getParameter('archive_class') . 'Query';
         }
 
-        return $builder->getClassNameFromBuilder($builder->getNewStubQueryBuilder($this->getArchiveTable()));
+        return $builder->getClassNameFromBuilder($builder->getNewStubQueryBuilder($this->getSyncedTable()));
     }
 
     /**
@@ -389,7 +155,7 @@ public function getArchiveTableQueryName(AbstractOMBuilder $builder): string
      */
     public function hasArchiveClass(): bool
     {
-        return $this->getParameter('archive_class') ? true : false;
+        return (bool)$this->getParameter('archive_class');
     }
 
     /**
@@ -397,8 +163,8 @@ public function hasArchiveClass(): bool
      */
     public function getArchivedAtColumn(): ?Column
     {
-        if ($this->getArchiveTable() && $this->getParameter('log_archived_at') === 'true') {
-            return $this->getArchiveTable()->getColumn($this->getParameter('archived_at_column'));
+        if ($this->getSyncedTable() && $this->getParameter('log_archived_at') === 'true') {
+            return $this->getSyncedTable()->getColumn($this->getParameter('archived_at_column'));
         }
 
         return null;
diff --git a/src/Propel/Generator/Behavior/Auditable/AuditableBehavior.php b/src/Propel/Generator/Behavior/Auditable/AuditableBehavior.php
new file mode 100644
index 000000000..62feb7dad
--- /dev/null
+++ b/src/Propel/Generator/Behavior/Auditable/AuditableBehavior.php
@@ -0,0 +1,155 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\Auditable;
+
+use Propel\Generator\Behavior\SyncedTable\TableSyncer\TableSyncer;
+use Propel\Generator\Behavior\Util\InsertCodeBehavior;
+use Propel\Generator\Builder\Om\ObjectBuilder;
+use Propel\Generator\Model\PropelTypes;
+use Propel\Generator\Model\Table;
+use stdClass;
+
+class AuditableBehavior extends AuditableBehaviorDeclaration
+{
+    /**
+     * @see \Propel\Generator\Model\Behavior::getObjectBuilderModifier()
+     *
+     * @return $this|\Propel\Generator\Behavior\Auditable\AuditableObjectModifier|\stdClass
+     */
+    public function getObjectBuilderModifier()
+    {
+        return ($this->omitOnSkipSql() && $this->table->isSkipSql()) ? new stdClass() : new AuditableObjectModifier($this);
+    }
+
+    /**
+     * @return void
+     */
+    public function modifyTable(): void
+    {
+        parent::modifyTable();
+        $this->addAggregationColumn($this->table);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $table
+     *
+     * @return void
+     */
+    public function addAggregationColumn(Table $table): void
+    {
+        $columnName = $this->aggregationColumnNameOnSource();
+        if (!$columnName) {
+            return;
+        }
+        TableSyncer::addColumnIfNotExists($table, $columnName, [
+            'type' => 'INTEGER',
+            'defaultValue' => 0,
+            'defaultExpression' => 0,
+            'required' => true,
+        ]);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param bool $tableExistsInSchema
+     *
+     * @return void
+     */
+    public function addTableElements(Table $syncedTable, bool $tableExistsInSchema): void
+    {
+        parent::addTableElements($syncedTable, $tableExistsInSchema);
+        $auditedAtColumn = TableSyncer::addColumnIfNotExists($syncedTable, $this->getAuditedAtFieldName(), [
+            'type' => 'TIMESTAMP',
+            'defaultExpr' => 'CURRENT_TIMESTAMP',
+        ]);
+        $auditEventColumn = TableSyncer::addColumnIfNotExists($syncedTable, $this->getAuditEventFieldName(), [
+            'type' => PropelTypes::ENUM,
+            'valueSet' => 'insert, update, delete, pre-audit',
+            'required' => true,
+        ]);
+        $internalChangedValuesColumn = TableSyncer::addColumnIfNotExists($syncedTable, $this->getInternalChangedValuesFieldName(), [
+            'type' => $this->getChangedValuesFieldType(),
+            'size' => $this->getChangedValuesFieldSize(),
+        ]);
+
+        $fk = $this->findSyncedRelation($syncedTable->getForeignKeys());
+        $internalChangedValuesColumnPhpName = $internalChangedValuesColumn->getPhpName();
+
+        InsertCodeBehavior::addToTable($this, $syncedTable, [
+            'preInsert' => '$this->' . $auditedAtColumn->getName() . ' ??= new DateTime();',
+            'objectMethods' => fn (ObjectBuilder $builder) => $this->renderLocalTemplate('auditObjectMethods', [
+                'internalChangedValuesColumnPhpName' => $internalChangedValuesColumnPhpName,
+                'restoredChangedValuesColumnPhpName' => $this->getChangedValuesFieldPhpName(),
+                'auditObjectName' => $builder->getObjectClassName(),
+                'auditIdColumnName' => $this->addPkAs(),
+                'auditedAtColumnName' => $auditedAtColumn->getName(),
+                'syncedPkColumns' => $this->getSyncedPrimaryKeyColumns($syncedTable),
+                'relationToSourceName' => $builder->getFKPhpNameAffix($fk, false),
+                'auditEventColumnPhpName' => $auditEventColumn->getPhpName(),
+                'queryClassName' => $builder->getQueryClassName(),
+            ]),
+            'objectFilter' => fn (string $script) => $this->removeInternalFieldFromToArrayCode($script, $internalChangedValuesColumnPhpName),
+        ]);
+    }
+
+    /**
+     * @see \Propel\Generator\Builder\Om\ObjectBuilder::addToArray()
+     *
+     * @param string $script
+     * @param string $columnPhpName
+     *
+     * @return string
+     */
+    protected function removeInternalFieldFromToArrayCode(string $script, string $columnPhpName): string
+    {
+        $pattern = '/^\s+\$keys\[\d+\] => \$this->get' . $columnPhpName . '\(\),\n/m';// remove line "$keys[5] => $this->getInternalChangedValues(),"
+
+        return preg_replace($pattern, '', $script, 1);
+    }
+
+    /**
+     * @return array<array{column: \Propel\Generator\Model\Column, isOmited: bool}>
+     */
+    public function selectAuditedFields(): array
+    {
+        $ignoredFields = $this->getIgnoredFieldNames();
+        $omitedFields = $this->getOmitValueFields();
+        $omitedTypes = $this->getOmitValueFieldTypes();
+        $auditedFields = [];
+
+        foreach ($this->table->getColumns() as $column) {
+            $fieldName = $column->getName();
+            if (in_array($fieldName, $ignoredFields)) {
+                continue;
+            }
+            $isOmited = (in_array($fieldName, $omitedFields) || in_array($column->getType(), $omitedTypes));
+            $auditedFields[] = [
+                'column' => $column,
+                'isOmited' => $isOmited,
+            ];
+        }
+
+        return $auditedFields;
+    }
+
+    /**
+     * @see Propel\Generator\Model\Behavior\Behavior::renderTemplate()
+     *
+     * @param string $filename
+     * @param array $vars
+     *
+     * @return string
+     */
+    public function renderLocalTemplate(string $filename, array $vars = []): string
+    {
+        $templatePath = $this->getDirname() . '/templates/';
+
+        return $this->renderTemplate($filename, $vars, $templatePath);
+    }
+}
diff --git a/src/Propel/Generator/Behavior/Auditable/AuditableBehaviorDeclaration.php b/src/Propel/Generator/Behavior/Auditable/AuditableBehaviorDeclaration.php
new file mode 100644
index 000000000..8655db061
--- /dev/null
+++ b/src/Propel/Generator/Behavior/Auditable/AuditableBehaviorDeclaration.php
@@ -0,0 +1,297 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\Auditable;
+
+use Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior;
+use Propel\Generator\Behavior\SyncedTable\SyncedTableBehaviorDeclaration;
+use Propel\Generator\Behavior\SyncedTable\SyncedTableException;
+use Propel\Generator\Model\Column;
+use Propel\Generator\Model\PropelTypes;
+
+class AuditableBehaviorDeclaration extends SyncedTableBehavior
+{
+    /**
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::DEFAULT_SYNCED_TABLE_SUFFIX
+     *
+     * @var string DEFAULT_SYNCED_TABLE_SUFFIX
+     */
+    protected const DEFAULT_SYNCED_TABLE_SUFFIX = '_audit';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_ADD_PK = 'id_field_name';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_AUDITED_AT_FIELD_NAME = 'audited_at_field_name';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_AUDIT_EVENT_FIELD_NAME = 'audit_event_field_name';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_CHANGED_VALUES_FIELD_NAME = 'changed_values_field_name';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_CHANGED_VALUES_FIELD_TYPE = 'changed_values_field_type';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_CHANGED_VALUES_FIELD_SIZE = 'changed_values_field_size';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_IGNORE_FIELDS = 'ignore_fields';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_OMIT_VALUE_FIELDS = 'omit_value_fields';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_OMIT_VALUE_TYPES = 'omit_value_types';
+
+    /**
+     * Placeholder for omited column values (defaults to 'changed')
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_OMIT_VALUE = 'omit_value';
+
+    /**
+     * By default, the insert audit is empty, this parameter allows to specify
+     * columns that should be added.
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_AUDITED_COLUMNS_ON_INSERT = 'audited_columns_on_insert';
+
+    /**
+     * Remove audit when source row is deleted (defaults to false).
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_CASCADE_DELETE = 'cascade_delete';
+
+    /**
+     * Name of the aggregation column or "true" for "number_of_audits".
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_ADD_AGGREGATION_TO_SOURCE = 'add_aggregation_to_source';
+
+    /**
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::getDefaultParameters()
+     *
+     * @return array
+     */
+    protected function getDefaultParameters(): array
+    {
+        // set SyncedTableBehavior values
+        return [
+            static::PARAMETER_KEY_ADD_PK => 'audit_id',
+            static::PARAMETER_KEY_SYNC_PK_ONLY => 'true',
+            static::PARAMETER_KEY_COLUMN_PREFIX => 'true',
+        ];
+    }
+
+    /**
+     * @throws \Propel\Generator\Behavior\SyncedTable\SyncedTableException
+     *
+     * @return void
+     */
+    public function validateParameters(): void
+    {
+        $disallowedParameters = [
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_EMPTY_ACCESSOR_COLUMNS,
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_IGNORE_COLUMNS,
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_INHERIT_FOREIGN_KEY_CONSTRAINTS,
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_INHERIT_FOREIGN_KEY_RELATIONS,
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_SYNC_INDEXES,
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_SYNC_UNIQUE_AS,
+        ];
+
+        foreach ($disallowedParameters as $disallowedParameter) {
+            if (array_key_exists($disallowedParameter, $this->parameters)) {
+                throw new SyncedTableException($this, "Use of parameter '$disallowedParameter' is not allowed.");
+            }
+        }
+
+        parent::validateParameters();
+        $this->checkColumnsInParameterExistInTable(static::PARAMETER_KEY_IGNORE_FIELDS, true);
+        $this->checkColumnsInParameterExistInTable(static::PARAMETER_KEY_OMIT_VALUE_FIELDS, true);
+        $this->checkColumnsInParameterExistInTable(static::PARAMETER_KEY_AUDITED_COLUMNS_ON_INSERT, true);
+        if ($this->isCascadeDelete() && is_array(parent::getRelationAttributes())) {
+            $format = "Cannot combine parameter '%s' with array input for relation ('%s') - set onDelete behavior in array.";
+            $msg = sprintf($format, static::PARAMETER_KEY_CASCADE_DELETE, static::PARAMETER_KEY_RELATION);
+
+            throw new SyncedTableException($this, $msg);
+        }
+    }
+
+    /**
+     * @return string
+     */
+    public function getAuditedAtFieldName(): string
+    {
+        return $this->getParameter(static::PARAMETER_KEY_AUDITED_AT_FIELD_NAME, 'audited_at');
+    }
+
+    /**
+     * @return string
+     */
+    public function getAuditEventFieldName(): string
+    {
+        return $this->getParameter(static::PARAMETER_KEY_AUDIT_EVENT_FIELD_NAME, 'audit_event');
+    }
+
+    /**
+     * @return string
+     */
+    public function getChangedValuesFieldName(): string
+    {
+        return $this->getParameter(static::PARAMETER_KEY_CHANGED_VALUES_FIELD_NAME, 'changed_values');
+    }
+
+    /**
+     * @return string
+     */
+    public function getChangedValuesFieldPhpName(): string
+    {
+        return Column::generatePhpName($this->getChangedValuesFieldName());
+    }
+
+    /**
+     * @return string
+     */
+    public function getInternalChangedValuesFieldName(): string
+    {
+        return 'internal_' . $this->getChangedValuesFieldName();
+    }
+
+    /**
+     * @return string
+     */
+    public function getChangedValuesFieldType(): string
+    {
+        return $this->getParameter(static::PARAMETER_KEY_CHANGED_VALUES_FIELD_TYPE, PropelTypes::JSON);
+    }
+
+    /**
+     * @return int|null
+     */
+    public function getChangedValuesFieldSize(): ?int
+    {
+        return $this->getParameterInt(static::PARAMETER_KEY_CHANGED_VALUES_FIELD_SIZE);
+    }
+
+    /**
+     * @return array<string>
+     */
+    public function getIgnoredFieldNames(): array
+    {
+        $val = $this->getParameterCsv(static::PARAMETER_KEY_IGNORE_FIELDS);
+        if ($this->aggregationColumnNameOnSource()) {
+            $val[] = $this->aggregationColumnNameOnSource();
+        }
+
+        return $val;
+    }
+
+    /**
+     * @return array<string>
+     */
+    public function getOmitValueFields(): array
+    {
+        return $this->getParameterCsv(static::PARAMETER_KEY_OMIT_VALUE_FIELDS);
+    }
+
+    /**
+     * @return array<string>
+     */
+    public function getOmitValueFieldTypes(): array
+    {
+        return $this->getParameterCsv(static::PARAMETER_KEY_OMIT_VALUE_TYPES, ['BLOB, CLOB']);
+    }
+
+    /**
+     * @return string
+     */
+    public function getOmitValue(): string
+    {
+        return $this->getParameter(static::PARAMETER_KEY_OMIT_VALUE, 'changed');
+    }
+
+    /**
+     * @return array<string>
+     */
+    public function getAuditedColumnsOnInsert(): array
+    {
+        return $this->getParameterCsv(static::PARAMETER_KEY_AUDITED_COLUMNS_ON_INSERT);
+    }
+
+    /**
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehaviorDeclaration::getRelationAttributes()
+     *
+     * @return array|null
+     */
+    public function getRelationAttributes(): ?array
+    {
+        $parentRelation = parent::getRelationAttributes();
+        if (is_array($parentRelation)) {
+            return $parentRelation;
+        }
+
+        return $this->isCascadeDelete()
+            ? ['onDelete' => 'cascade']
+            : ['skipSql' => 'true'];
+    }
+
+    /**
+     * @return bool
+     */
+    protected function isCascadeDelete(): bool
+    {
+        return $this->getParameterBool(static::PARAMETER_KEY_CASCADE_DELETE, false);
+    }
+
+    /**
+     * @return bool
+     */
+    public function relationCascadesDelete(): bool
+    {
+        $attributes = $this->getRelationAttributes();
+
+        return $attributes && !empty($attributes['onDelete']) && $attributes['onDelete'] === 'cascade';
+    }
+
+    /**
+     * @return string|null
+     */
+    public function aggregationColumnNameOnSource(): ?string
+    {
+        $val = $this->getParameter(static::PARAMETER_KEY_ADD_AGGREGATION_TO_SOURCE);
+        if (!$val) {
+            return null;
+        }
+
+        return in_array(strtolower($val), ['true', '1']) ? 'number_of_audits' : $val;
+    }
+}
diff --git a/src/Propel/Generator/Behavior/Auditable/AuditableObjectModifier.php b/src/Propel/Generator/Behavior/Auditable/AuditableObjectModifier.php
new file mode 100644
index 000000000..07df34f8f
--- /dev/null
+++ b/src/Propel/Generator/Behavior/Auditable/AuditableObjectModifier.php
@@ -0,0 +1,253 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\Auditable;
+
+use Propel\Generator\Builder\Om\ObjectBuilder;
+
+class AuditableObjectModifier
+{
+    /**
+     * @var string
+     */
+    private $dataRowAttributeName = '_dataRow';
+
+    /**
+     * @var \Propel\Generator\Behavior\Auditable\AuditableBehavior
+     */
+    protected $behavior;
+
+    /**
+     * @param \Propel\Generator\Behavior\Auditable\AuditableBehavior $behavior
+     */
+    public function __construct(AuditableBehavior $behavior)
+    {
+        $this->behavior = $behavior;
+    }
+
+    /**
+     * @see \Propel\Generator\Model\Behavior::objectFilter()
+     *
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function objectAttributes(ObjectBuilder $objectBuilder)
+    {
+        return "
+/**
+ * The data row this object was hydrated from.
+ * 
+ * @var array|null 
+ */
+protected \${$this->dataRowAttributeName} = null;
+";
+
+        // end auditable behavior
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function objectMethods(ObjectBuilder $objectBuilder): string
+    {
+        $table = $this->behavior->getSyncedTable();
+        $fk = $this->behavior->findSyncedRelation($objectBuilder->getTable()->getReferrers());
+        $getPhpNameForFieldName = fn (string $fieldName) => $table->getColumn($fieldName)->getPhpName();
+
+        return $this->behavior->renderLocalTemplate('sourceObjectMethods', [
+            'objectBuilder' => $objectBuilder,
+            'fk' => $fk,
+            'dataRowAttributeName' => $this->dataRowAttributeName,
+            'table' => $table,
+
+            'auditedFields' => $this->behavior->selectAuditedFields(),
+            'omitValue' => $this->behavior->getOmitValue(),
+
+            'internalChangedValuesColumnPhpName' => $getPhpNameForFieldName($this->behavior->getInternalChangedValuesFieldName()),
+            'auditEventColumnPhpName' => $getPhpNameForFieldName($this->behavior->getAuditEventFieldName()),
+        ]);
+    }
+
+    /**
+     * @see \Propel\Generator\Model\Behavior::objectFilter()
+     *
+     * @param string $script
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return void
+     */
+    public function objectFilter(string &$script, ObjectBuilder $objectBuilder)
+    {
+        $script = $this->updateHydrateCode($script, $objectBuilder);
+    }
+
+    /**
+     * @see \Propel\Generator\Builder\Om\ObjectBuilder::addHydrate()
+     *
+     * @param string $script
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    protected function updateHydrateCode(string $script, ObjectBuilder $objectBuilder): string
+    {
+        $tableMapClassName = $objectBuilder->getTableMapClassName();
+        $pattern = '/^\s*(public function hydrate\(.*\v\s*\{\n)/m'; // hydate() function header up until newline after '{'
+        $code = <<< EOT
+        // auditable behavior
+        try {
+            \$this->{$this->dataRowAttributeName} = (\$indexType === TableMap::TYPE_NUM)
+                ? array_slice(\$row, \$startcol) 
+                : array_map(fn(\$fn) => \$row[\$fn], {$tableMapClassName}::getFieldNames(\$indexType));
+        } catch (Exception \$e) {
+            throw new PropelException('Error extracting data row with numeric keys from input row to hydrate().', 0, \$e);
+        }
+
+
+EOT;
+
+        return preg_replace_callback($pattern, fn (array $match) => "{$match[0]}{$code}", $script, 1);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function preUpdate(ObjectBuilder $objectBuilder)
+    {
+        $table = $this->behavior->getSyncedTable();
+        $auditObjectClass = $table->getPhpName();
+        $fk = $this->behavior->findSyncedRelation($objectBuilder->getTable()->getReferrers());
+        $relationName = $objectBuilder->getRefFKPhpNameAffix($fk, false);
+        $incrementStatement = $this->getIncrementAggregationColumnStatement("\n    ");
+
+        return <<<EOT
+\$audit = \$this->create{$auditObjectClass}('update');
+if (\$ret && \$audit) {
+    \$this->add{$relationName}(\$audit);{$incrementStatement}
+}
+EOT;
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function preInsert(ObjectBuilder $objectBuilder)
+    {
+        $incrementStatement = $this->getIncrementAggregationColumnStatement();
+
+        return $incrementStatement ? '$ret && ' . $incrementStatement : '';
+    }
+
+    /**
+     * @param string $indent
+     *
+     * @return string
+     */
+    protected function getIncrementAggregationColumnStatement(string $indent = ''): string
+    {
+        $columnName = $this->behavior->aggregationColumnNameOnSource();
+        if (!$columnName) {
+            return '';
+        }
+        $phpColumnName = $this->behavior->getTable()->getColumn($columnName)->getPhpName();
+
+        return <<<EOT
+{$indent}\$this->set{$phpColumnName}((\$this->$columnName ?? 0) + 1);
+EOT;
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function postSave(ObjectBuilder $objectBuilder)
+    {
+        return $this->getUpdateDataRowValueStatement();
+    }
+
+    /**
+     * @return string
+     */
+    protected function getUpdateDataRowValueStatement(): string
+    {
+        return <<<EOT
+\$this->update{$this->dataRowAttributeName}();
+EOT;
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function postInsert(ObjectBuilder $objectBuilder)
+    {
+        $columns = $this->behavior->getAuditedColumnsOnInsert();
+        $columnsExpression = ($columns)
+            ? "[\n    '" . implode("',\n    '", $columns) . "'\n]"
+            : 'null';
+
+        return implode("\n", [
+            $this->getUpdateDataRowValueStatement(), // necessary for other postInsert
+            $this->buildCreateAuditStatements('insert', $objectBuilder, $columnsExpression, true, true, true),
+        ]);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function postDelete(ObjectBuilder $objectBuilder)
+    {
+        if ($this->behavior->relationCascadesDelete()) {
+            return '';
+        }
+        $columnsExpression = $objectBuilder->getTableMapClassName() . '::getFieldNames(TableMap::TYPE_COLNAME)';
+
+        return implode("\n", [
+            $this->buildCreateAuditStatements('delete', $objectBuilder, $columnsExpression, true, true, true),
+            $this->getIncrementAggregationColumnStatement(),
+        ]);
+    }
+
+    /**
+     * @param string $auditEvent 'insert', 'update' or 'delete'
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     * @param string $columnsExpression
+     * @param bool $saveManually
+     * @param bool $useObjectValues
+     * @param bool $forceCreate
+     *
+     * @return string
+     */
+    public function buildCreateAuditStatements(
+        string $auditEvent,
+        ObjectBuilder $objectBuilder,
+        string $columnsExpression,
+        bool $saveManually,
+        bool $useObjectValues = false,
+        bool $forceCreate = false
+    ): string {
+        $forceSaveExpression = var_export($saveManually, true);
+        $useObjectValuesExpression = var_export($useObjectValues, true);
+        $forceCreateExpression = var_export($forceCreate, true);
+
+        return <<<EOT
+\$this->addNewAudit('$auditEvent', $columnsExpression, $forceSaveExpression, $useObjectValuesExpression, $forceCreateExpression);
+EOT;
+    }
+}
diff --git a/src/Propel/Generator/Behavior/Auditable/templates/auditObjectMethods.php b/src/Propel/Generator/Behavior/Auditable/templates/auditObjectMethods.php
new file mode 100644
index 000000000..1a9109e42
--- /dev/null
+++ b/src/Propel/Generator/Behavior/Auditable/templates/auditObjectMethods.php
@@ -0,0 +1,154 @@
+<?php
+    /**
+     * phpcs:ignoreFile
+     *
+     * Expected variables:
+     * 
+     * @var string $internalChangedValuesColumnPhpName
+     * @var string $restoredChangedValuesColumnPhpName
+     * @var string $auditEventColumnPhpName
+     * @var string $auditedAtColumnName
+     * @var string $auditObjectName
+     * @var string $auditIdColumnName
+     * @var array<\Propel\Generator\Model\Column> $syncedPkColumns
+     * @var string $relationToSourceName
+     * @var string $queryClassName
+     */
+?>
+/**
+ * @param <?= $auditObjectName ?> $audit1
+ * @param <?= $auditObjectName ?> $audit2
+ *
+ * @return int
+ */
+protected function compareSourcePk(<?= $auditObjectName ?> $audit1, <?= $auditObjectName ?> $audit2): int
+{
+<?php 
+    $comparisons = [];
+    foreach($syncedPkColumns as $pkColumn){
+        $comparatorPattern = $pkColumn->isNumericType() ? "%s - %s" : 'strcomp(%s, %s)';
+        $columnAccessor = 'get' . $pkColumn->getPhpName().'()';
+        $comparisons[] = sprintf($comparatorPattern, "\$audit2->$columnAccessor", "\$audit1->$columnAccessor");
+    }
+    $compareStatement = implode("\n    ?:", $comparisons);
+?>
+    return <?= $compareStatement ?>;
+}
+
+/**
+ * @param array<<?= $auditObjectName ?>> $audits
+ *
+ * @return array<array<<?= $auditObjectName ?>>>
+ */
+protected static function groupAuditsBySource(array $audits): array
+{
+    $groups = [];
+    foreach ($audits as $audit) {
+<?php 
+    $keyAccessors = array_map(fn($col) => '$audit->' . $col->getName(), $syncedPkColumns);
+    $keyGetter = count($keyAccessors) === 1 ? $keyAccessors[0] : ('md5(json_encode(' . implode(', ', $keyAccessors) . '))');
+?>
+        $key = <?= $keyGetter ?>;
+        $groups[$key] ?? ($groups[$key] = []);
+        $groups[$key][] = $audit;
+    }
+
+    return $groups;
+}
+
+/**
+ * @param ConnectionInterface $con (optional) The ConnectionInterface connection to use.
+ *
+ * @return array
+ */
+public function get<?= $restoredChangedValuesColumnPhpName ?>(ConnectionInterface $con = null): array
+{
+    if (!$this->hasVirtualColumn('<?= $restoredChangedValuesColumnPhpName ?>')) {
+<?php
+$chainedFilterStatements = implode('', array_map(fn($column) => "->filterBy{$column->getPhpName()}(\$this->{$column->getName()})", $syncedPkColumns));
+?>
+        $auditGroup = <?= $queryClassName ?>::create()<?= $chainedFilterStatements ?>->find($con)->toArrayCopy();
+        $this->restoreAudits($auditGroup);
+    }
+
+    return $this->getVirtualColumn('<?= $restoredChangedValuesColumnPhpName ?>');
+}
+
+/**
+ * Restores changed values of the given audit objects.
+ *
+ * Can process audits of different source objects.
+ *
+ * For correct results, the list has to include, for each given audit, all
+ * existing later audits.
+ *
+ * @param array<<?= $auditObjectName ?>> $listOfAudits
+ *
+ * @return array<array<<?= $auditObjectName ?>>> The processed input object,
+ *                                      grouped by source object id.  
+ */
+public static function restoreAudits(array $listOfAudits): array
+{
+    $groups = static::groupAuditsBySource($listOfAudits);
+    $auditRows = [];
+    foreach ($groups as $key => $audits) {
+        if (!$audits) {
+            continue;
+        }
+        usort($audits, fn(<?= $auditObjectName ?> $audit1, <?= $auditObjectName ?> $audit2) => (!$audit1-><?= $auditedAtColumnName ?> ? 1 : (!$audit2-><?= $auditedAtColumnName ?> ? -1 : (int) $audit2-><?= $auditedAtColumnName ?>->format('Uu') - (int) $audit1-><?= $auditedAtColumnName ?>->format('Uu'))));
+
+        $sourceObject = $audits[0]->get<?= $relationToSourceName ?>();
+        if (!$sourceObject && $audits[0]->get<?= $auditEventColumnPhpName ?>() !== 'delete') {
+            throw new \RuntimeException('Cannot retrieve current values of audited object - looks like it was deleted without writing an audit log? AuditId: '.$audits[0]-><?= $auditIdColumnName ?>);
+        } 
+        $laterRow = $sourceObject ? $sourceObject->getAuditedColumnsCurrentValues() : $audits[0]->get<?= $internalChangedValuesColumnPhpName ?>();
+        
+        $groupRows = [];
+        foreach ($audits as $audit) {
+            $audit->setVirtualColumn('<?= $restoredChangedValuesColumnPhpName ?>', $audit->resolveEarlierSourceValues($laterRow));
+            $groupRows[] = $audit;
+            $laterRow = array_merge($laterRow, $audit->get<?= $internalChangedValuesColumnPhpName ?>());
+        }
+        if ($groupRows && $groupRows[count($groupRows) - 1]->get<?= $auditEventColumnPhpName ?>() !== 'insert') {
+            $groupRows[] = static::createPreAuditEntry($laterRow);
+        }
+        $auditRows[$key] = $groupRows;
+    }
+
+    return $auditRows;
+}
+
+/**
+ * Resolve values actually changed in audit.
+ *
+ * Override for custom output.
+ *
+ * @param array $laterValues
+ *
+ * @return array
+ */
+protected function resolveEarlierSourceValues(array $laterValues): array
+{
+    $overriddenValues = $this->get<?= $internalChangedValuesColumnPhpName ?>();
+
+    return ($this->get<?= $auditEventColumnPhpName ?>() === 'insert') 
+        ? array_merge($overriddenValues ?? [], $laterValues) 
+        : array_intersect_key($laterValues, $overriddenValues );
+}
+
+/**
+ *
+ * @param array $values
+ *
+ * @return <?= $auditObjectName ?>
+
+ */
+protected static function createPreAuditEntry(array $values): <?= $auditObjectName ?>
+
+{
+    $audit = new <?= $auditObjectName ?>();
+    $audit->set<?= $auditEventColumnPhpName ?>('pre-audit');
+    $audit->setVirtualColumn('<?= $restoredChangedValuesColumnPhpName ?>', $values);
+
+    return $audit;
+}
diff --git a/src/Propel/Generator/Behavior/Auditable/templates/sourceObjectMethods.php b/src/Propel/Generator/Behavior/Auditable/templates/sourceObjectMethods.php
new file mode 100644
index 000000000..efbccc452
--- /dev/null
+++ b/src/Propel/Generator/Behavior/Auditable/templates/sourceObjectMethods.php
@@ -0,0 +1,167 @@
+<?php
+    /**
+     * phpcs:ignoreFile
+     *
+     * Expected variables:
+     * 
+     * @var array<array{column: \Propel\Generator\Model\Column, isOmited: bool}> $auditedFields
+     * @var \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     * @var \Propel\Generator\Model\ForeignKey $fk
+     * @var \Propel\Generator\Model\Table $table
+     * @var string $dataRowAttributeName
+     * @var string $auditEventColumnPhpName
+     * @var string $internalChangedValuesColumnPhpName
+     * @var string $omitValue
+     * 
+     */
+
+    $auditObjectImportedClass = $objectBuilder->getClassNameFromTable($table);
+?>
+
+/**
+ * Set row values to current data.
+ */
+protected function update<?= $dataRowAttributeName ?>(): void
+{
+    $this-><?= $dataRowAttributeName ?> = $this->toArray(TableMap::TYPE_NUM, false);
+}
+
+/**
+ * @param string $auditEvent 'insert', 'update' or 'delete'
+ * @param array|null $selectedColumns Optional parameter to override audited columns.
+ * @param bool $forceSave Immediately save the audit after creation.
+ * @param bool $useCurrent Use current data instead of row values.
+ * @param bool $forceCreate Create audit even if there are no changes.
+ *
+ * @return void
+ */
+protected function addNewAudit(
+    string $auditEvent,
+    ?array $selectedColumns = null,
+    bool $forceSave = false,
+    bool $useCurrent = false,
+    bool $forceCreate = false
+): void
+{
+    $audit = $this->create<?= $table->getPhpName() ?>($auditEvent, $selectedColumns, $useCurrent, $forceCreate);
+    if (!$audit) {
+        return;
+    }
+    $this->add<?= $objectBuilder->getRefFKPhpNameAffix($fk, false) ?>($audit);
+    if ($forceSave){
+        $audit->save();
+    }
+}
+
+/**
+ * Create an audit for modified or specified columns. 
+ *
+ * @param string $auditEvent 'insert', 'update' or 'delete'
+ * @param array|null $selectedColumns Optional parameter to override audited columns.
+ * @param bool $useCurrent Use current data instead of row values.
+ * @param bool $forceCreate Create audit even if there are no changes.
+ *
+ * @return <?= $table->getPhpName() ?>|null 
+ */
+protected function create<?= $table->getPhpName() ?>(
+    string $auditEvent,
+    ?array $selectedColumns = null,
+    bool $useCurrent = false,
+    bool $forceCreate = false
+): ?<?= $table->getPhpName() ?>
+
+{
+    $auditData = $this->buildAuditChanges($selectedColumns, $useCurrent);
+    if (!$auditData && !$forceCreate) {
+        return null;
+    }
+    $audit = new <?= $objectBuilder->getClassNameFromTable($table) ?>();
+    $audit->set<?= $auditEventColumnPhpName ?>($auditEvent);
+    $audit->set<?= $internalChangedValuesColumnPhpName ?>($auditData);
+
+    return $audit;
+}
+
+/**
+ * @param string $auditEvent 'insert', 'update' or 'delete'
+ * Build list of changed column names and their old value.
+ *
+ * @param array|null $selectedColumns Optional parameter to override audited columns.
+ * @param bool $useCurrent Use current data instead of row values.
+ *
+ * @return array<string, mixed>
+ */
+protected function buildAuditChanges(?array $selectedColumns = null, $useCurrent = false): array
+{
+    if (!$useCurrent && $this-><?= $dataRowAttributeName ?> === null){
+        throw new \RuntimeException('Trying to create audit without row values.');
+    }
+
+    $overwrittenValues = [];
+    $columnKeys = $selectedColumns ?: array_keys($this->modifiedColumns);
+    $values = $useCurrent ?  $this->toArray(TableMap::TYPE_NUM, false) : $this-><?= $dataRowAttributeName ?>;
+    foreach ($columnKeys as $qualifiedColumnName) {
+        switch ($qualifiedColumnName) {
+<?php foreach ($auditedFields as $fieldData):
+    /** @var \Propel\Generator\Model\Column */
+    $column = $fieldData['column'];
+    $fieldIndex = $column->getPosition()-1 ;
+    $valueGetter = $fieldData['isOmited'] ? "'$omitValue'" : "\$values[$fieldIndex]";
+?>
+
+            case <?= $column->getFQConstantName() ?>:
+                $overwrittenValues['<?= $column->getName() ?>'] = $this->getAuditFieldValue($qualifiedColumnName, <?= $valueGetter ?>);
+
+                break;
+<?php endforeach ?>
+        }
+    }
+
+    return $overwrittenValues;
+}
+
+/**
+ * @return array
+ */
+public function getAuditedColumnsCurrentValues(): array
+{
+    $auditedColumns = <?= $objectBuilder->getTableMapClassName() ?>::getFieldNames(TableMap::TYPE_COLNAME);
+
+    return $this->buildAuditChanges($auditedColumns, true);
+}
+
+/**
+ * Determines column values in audits. Can be overridden to set custom values.
+ *
+ * @param string $qualifiedColumnName The column name as stored in the TableMap const (i.e. BookTableMap::COL_ID).
+ * @param mixed $defaultAuditValue The audit value according to configuration.
+ *
+ * @return mixed 
+ */
+protected function getAuditFieldValue(string $qualifiedColumnName, $defaultAuditValue)
+{
+    return $defaultAuditValue;
+}
+
+/**
+ * Load the complet audit with restored change values.
+ *
+ * @param ConnectionInterface|null $con
+ *
+ * @return ObjectCollection The audit objects ordered by audit
+ *                          date in descending order (latest change first).
+ */
+public function restoreAudit(?ConnectionInterface $con = null): ObjectCollection
+{
+    if (!$this->hasVirtualColumn('RestoredAudit')) {
+        $auditObjects = $this->get<?= $objectBuilder->getRefFKPhpNameAffix($fk, true) ?>($con);
+        $auditGroups = <?= $table->getPhpName() ?>::restoreAudits($auditObjects->getArrayCopy());
+        $restoredAudit = $auditGroups ? reset($auditGroups) : $auditGroups;
+        $auditObjects->exchangeArray($restoredAudit); // fixes order
+        $this->setVirtualColumn('RestoredAudit', $auditObjects);
+    }
+
+    return $this->getVirtualColumn('RestoredAudit');
+}
+
+// end auditable behavior
diff --git a/src/Propel/Generator/Behavior/ConfigLoad/ConfigLoadBehavior.php b/src/Propel/Generator/Behavior/ConfigLoad/ConfigLoadBehavior.php
new file mode 100644
index 000000000..6cc6643d0
--- /dev/null
+++ b/src/Propel/Generator/Behavior/ConfigLoad/ConfigLoadBehavior.php
@@ -0,0 +1,92 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\ConfigLoad;
+
+use Propel\Generator\Behavior\ConfigStore\ConfigOperationBehavior;
+use Propel\Generator\Behavior\ConfigStore\ConfigurationStore;
+use Propel\Generator\Exception\SchemaException;
+
+class ConfigLoadBehavior extends ConfigOperationBehavior
+{
+    /**
+     * @var string
+     */
+    public const ATTRIBUTE_KEY_REF = 'ref';
+
+    /**
+     * @var string
+     */
+    public const ATTRIBUTE_KEY_MULTIPLE = 'multiple';
+
+    /**
+     * @return string
+     */
+    protected function getKey(): string
+    {
+        return $this->getAttribute(static::ATTRIBUTE_KEY_REF);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Database|\Propel\Generator\Model\Table $behaviorable
+     *
+     * @return void
+     */
+    protected function apply($behaviorable): void
+    {
+        $this->validateAttributes();
+        $this->createBehavior($behaviorable);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Database|\Propel\Generator\Model\Table $behaviorable
+     *
+     * @return void
+     */
+    public function createBehavior($behaviorable): void
+    {
+        $configuration = ConfigurationStore::getInstance()->loadPreconfiguration($this->getKey());
+        $fullAttributes = array_merge([], $configuration->getBehaviorAttributes(), $this->getAuxilaryAttributes());
+        $fullParams = array_merge([], $configuration->getParameters(), $this->parameters);
+        $behavior = $behaviorable->addBehavior($fullAttributes);
+        $behavior->setParameters(array_merge($behavior->getParameters(), $fullParams));
+    }
+
+    /**
+     * @return array
+     */
+    protected function getAuxilaryAttributes(): array
+    {
+        $ownAttributes = [
+            static::ATTRIBUTE_KEY_REF => 1,
+            static::ATTRIBUTE_KEY_MULTIPLE => 1,
+            'name' => 1,
+            'id' => 1,
+        ];
+
+        $attributes = array_diff_key($this->attributes, $ownAttributes);
+
+        if ($this->getAttribute(static::ATTRIBUTE_KEY_MULTIPLE, false)) {
+            $attributes['id'] = $this->getKey() . '_' . uniqid();
+        }
+
+        return $attributes;
+    }
+
+    /**
+     * @throws \Propel\Generator\Exception\SchemaException
+     *
+     * @return void
+     */
+    protected function validateAttributes(): void
+    {
+        if (!$this->getAttribute(static::ATTRIBUTE_KEY_REF)) {
+            throw new SchemaException(sprintf("%s behavior: required parameter '%s' is missing.", $this->getName(), static::ATTRIBUTE_KEY_REF));
+        }
+    }
+}
diff --git a/src/Propel/Generator/Behavior/ConfigStore/ConfigOperationBehavior.php b/src/Propel/Generator/Behavior/ConfigStore/ConfigOperationBehavior.php
new file mode 100644
index 000000000..b7a3b7815
--- /dev/null
+++ b/src/Propel/Generator/Behavior/ConfigStore/ConfigOperationBehavior.php
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\ConfigStore;
+
+use Propel\Generator\Model\Behavior;
+
+abstract class ConfigOperationBehavior extends Behavior
+{
+    /**
+     * Indicates whether the behavior can be applied several times on the same
+     * table or not.
+     *
+     * @return bool
+     */
+    public function allowMultiple(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @return string
+     */
+    abstract protected function getKey(): string;
+
+     /**
+      * @return void
+      */
+    public function modifyDatabase(): void
+    {
+        $this->apply($this->database);
+    }
+
+    /**
+     * @return void
+     */
+    public function modifyTable(): void
+    {
+        $this->apply($this->table);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Database|\Propel\Generator\Model\Table $behaviorable
+     *
+     * @return void
+     */
+    abstract protected function apply($behaviorable): void;
+}
diff --git a/src/Propel/Generator/Behavior/ConfigStore/ConfigStoreBehavior.php b/src/Propel/Generator/Behavior/ConfigStore/ConfigStoreBehavior.php
new file mode 100644
index 000000000..98f7dfe3d
--- /dev/null
+++ b/src/Propel/Generator/Behavior/ConfigStore/ConfigStoreBehavior.php
@@ -0,0 +1,109 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\ConfigStore;
+
+use Propel\Generator\Exception\SchemaException;
+
+class ConfigStoreBehavior extends ConfigOperationBehavior
+{
+    /**
+     * Use store instad of load behavior.
+     *
+     * @var string
+     */
+    public const ATTRIBUTE_KEY_BEHAVIOR = 'behavior';
+
+    /**
+     * Make sure behavior is never applied twice.
+     *
+     * @var bool
+     */
+    protected $wasApplied = false;
+
+    /**
+     * Indicates whether the behavior can be applied several times on the same
+     * table or not.
+     *
+     * @return bool
+     */
+    public function allowMultiple(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Database|\Propel\Generator\Model\Table $behaviorable
+     *
+     * @return void
+     */
+    protected function apply($behaviorable): void
+    {
+        if ($this->wasApplied) {
+            return;
+        }
+        $this->wasApplied = true;
+        $this->validateAttributes();
+        $this->storeConfiguration();
+    }
+
+    /**
+     * @return string
+     */
+    protected function getKey(): string
+    {
+        return $this->getAttribute('id');
+    }
+
+    /**
+     * @return void
+     */
+    protected function storeConfiguration(): void
+    {
+        $attributes = $this->getAuxilaryAttributes();
+        $attributes['name'] = $this->getAttribute(static::ATTRIBUTE_KEY_BEHAVIOR);
+        ConfigurationStore::getInstance()->storePreconfiguration($this->getKey(), $attributes, $this->parameters);
+    }
+
+    /**
+     * @return array
+     */
+    protected function getAuxilaryAttributes(): array
+    {
+        $ownAttributes = [
+            static::ATTRIBUTE_KEY_BEHAVIOR => 1,
+            'name' => 1,
+            'id' => 1,
+        ];
+
+        return array_diff_key($this->attributes, $ownAttributes);
+    }
+
+    /**
+     * @throws \Propel\Generator\Exception\SchemaException
+     *
+     * @return void
+     */
+    protected function validateAttributes(): void
+    {
+        if (!$this->getAttribute(static::ATTRIBUTE_KEY_BEHAVIOR)) {
+            throw new SchemaException(sprintf("%s behavior: required parameter '%s' is missing.", $this->getName(), static::ATTRIBUTE_KEY_BEHAVIOR));
+        }
+
+        if (!$this->getAttribute('id')) {
+            throw new SchemaException(sprintf("%s behavior: required parameter 'id' is missing.", $this->getName()));
+        }
+
+        if (ConfigurationStore::getInstance()->hasPreconfiguration($this->getKey())) {
+            $format = "%s behavior for '%s': key '%s' is already in use.";
+            $message = sprintf($format, $this->getName(), $this->getAttribute(static::ATTRIBUTE_KEY_BEHAVIOR), $this->getKey());
+
+            throw new SchemaException($message);
+        }
+    }
+}
diff --git a/src/Propel/Generator/Behavior/ConfigStore/ConfigurationItem.php b/src/Propel/Generator/Behavior/ConfigStore/ConfigurationItem.php
new file mode 100644
index 000000000..a830f1dd2
--- /dev/null
+++ b/src/Propel/Generator/Behavior/ConfigStore/ConfigurationItem.php
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\ConfigStore;
+
+class ConfigurationItem
+{
+    /**
+     * @var array
+     */
+    protected $behaviorAttributes;
+
+    /**
+     * @var array
+     */
+    protected $parameters;
+
+    /**
+     * @param array $behaviorAttributes
+     * @param array $parameters
+     */
+    public function __construct(array $behaviorAttributes, array $parameters)
+    {
+        $this->behaviorAttributes = $behaviorAttributes;
+        $this->parameters = $parameters;
+    }
+
+    /**
+     * @return array
+     */
+    public function getBehaviorAttributes(): array
+    {
+        return $this->behaviorAttributes;
+    }
+
+    /**
+     * @return array
+     */
+    public function getParameters(): array
+    {
+        return $this->parameters;
+    }
+}
diff --git a/src/Propel/Generator/Behavior/ConfigStore/ConfigurationStore.php b/src/Propel/Generator/Behavior/ConfigStore/ConfigurationStore.php
new file mode 100644
index 000000000..5d264d3b1
--- /dev/null
+++ b/src/Propel/Generator/Behavior/ConfigStore/ConfigurationStore.php
@@ -0,0 +1,80 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\ConfigStore;
+
+use Propel\Generator\Exception\SchemaException;
+
+class ConfigurationStore
+{
+    /**
+     * @var \Propel\Generator\Behavior\ConfigStore\ConfigurationStore|null
+     */
+    protected static $instance = null;
+
+    /**
+     * @var array<\Propel\Generator\Behavior\ConfigStore\ConfigurationItem>
+     */
+    private static $preconfigurations = [];
+
+    /**
+     * @return \Propel\Generator\Behavior\ConfigStore\ConfigurationStore|self
+     */
+    public static function getInstance(): self
+    {
+        if (self::$instance === null) {
+            self::$instance = new self();
+        }
+
+        return self::$instance;
+    }
+
+    /**
+     * @param string $key
+     * @param array<string> $behaviorAttributes
+     * @param array<string> $params
+     *
+     * @throws \Propel\Generator\Exception\SchemaException
+     *
+     * @return void
+     */
+    public function storePreconfiguration(string $key, array $behaviorAttributes, array $params): void
+    {
+        if ($this->hasPreconfiguration($key)) {
+            throw new SchemaException("preconfigure behavior: $key '%s' is already in use.");
+        }
+
+        self::$preconfigurations[$key] = new ConfigurationItem($behaviorAttributes, $params);
+    }
+
+    /**
+     * @param string $key
+     *
+     * @throws \Propel\Generator\Exception\SchemaException
+     *
+     * @return \Propel\Generator\Behavior\ConfigStore\ConfigurationItem
+     */
+    public function loadPreconfiguration(string $key): ConfigurationItem
+    {
+        if (!array_key_exists($key, self::$preconfigurations)) {
+            throw new SchemaException("preconfigure behavior: No preconfigured behavior with key '$key'.");
+        }
+
+        return self::$preconfigurations[$key];
+    }
+
+    /**
+     * @param string $key
+     *
+     * @return bool
+     */
+    public function hasPreconfiguration(string $key): bool
+    {
+        return array_key_exists($key, self::$preconfigurations);
+    }
+}
diff --git a/src/Propel/Generator/Behavior/SyncedTable/EmptyColumnAccessorsBehavior.php b/src/Propel/Generator/Behavior/SyncedTable/EmptyColumnAccessorsBehavior.php
new file mode 100644
index 000000000..a985826a1
--- /dev/null
+++ b/src/Propel/Generator/Behavior/SyncedTable/EmptyColumnAccessorsBehavior.php
@@ -0,0 +1,114 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\SyncedTable;
+
+use Propel\Generator\Behavior\Util\InsertCodeBehavior;
+use Propel\Generator\Model\Behavior;
+use Propel\Generator\Model\Column;
+use Propel\Generator\Model\Table;
+
+/**
+ * Adds empty getter and setter for the given columns.
+ *
+ * Used in SyncedTableBehavior to keep generated model classes of the synced
+ * table compatible with the source table if ignore_columns is used.
+ */
+class EmptyColumnAccessorsBehavior extends InsertCodeBehavior
+{
+    /**
+     * Add this behavior to a table.
+     *
+     * @param \Propel\Generator\Model\Behavior $insertingBehavior
+     * @param \Propel\Generator\Model\Table $table
+     * @param array $columnNames
+     *
+     * @return self
+     */
+    public static function addEmptyAccessors(Behavior $insertingBehavior, Table $table, array $columnNames): self
+    {
+        $behavior = new self();
+        $codeForHooks = $behavior->buildCodeForHooks($columnNames);
+        $behavior->setup($insertingBehavior, $table, $codeForHooks);
+
+        return $behavior;
+    }
+
+    /**
+     * @param array $columnNames
+     *
+     * @return array
+     */
+    protected function buildCodeForHooks(array $columnNames): array
+    {
+        $accessorNames = $this->buildAccessorNames($columnNames);
+
+        return [
+            'objectAttributes' => $this->buildObjectAttributes($accessorNames),
+            'objectCall' => $this->buildObjectCall(),
+        ];
+    }
+
+    /**
+     * @param array $columnNames
+     *
+     * @return array<string>
+     */
+    protected function buildAccessorNames(array $columnNames): array
+    {
+        $accessors = [];
+        foreach ($columnNames as $columnName) {
+            $phpName = (new Column($columnName))->getPhpName();
+            array_push($accessors, 'get' . $phpName, 'set' . $phpName);
+        }
+
+        return $accessors;
+    }
+
+    /**
+     * @param array $accessorNames
+     *
+     * @return string
+     */
+    public function buildObjectAttributes(array $accessorNames): string
+    {
+        if (!$accessorNames) {
+            return '';
+        }
+        $nameToArrayKeyFun = fn (string $name) => "    '$name' => 1,";
+        $namesAsArrayKeys = implode("\n", array_map($nameToArrayKeyFun, $accessorNames));
+
+        return <<<EOT
+/**
+ * Non-existing columns with mock getters and setters.
+ * 
+ * Calls to these accessors will be handled in __call().
+ */
+protected const MOCKED_ACCESSORS = [
+$namesAsArrayKeys
+];
+EOT;
+    }
+
+    /**
+     * @return string
+     */
+    public function buildObjectCall(): string
+    {
+        return <<<EOT
+    if (!empty(static::MOCKED_ACCESSORS[\$name])){
+        try {
+            return \$this->__parentCall(\$name, \$params);
+        } catch(BadMethodCallException \$e){
+            return null;
+        }
+    }
+
+EOT;
+    }
+}
diff --git a/src/Propel/Generator/Behavior/SyncedTable/SyncedTableBehavior.php b/src/Propel/Generator/Behavior/SyncedTable/SyncedTableBehavior.php
new file mode 100644
index 000000000..964fe8ed8
--- /dev/null
+++ b/src/Propel/Generator/Behavior/SyncedTable/SyncedTableBehavior.php
@@ -0,0 +1,248 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\SyncedTable;
+
+use Propel\Generator\Behavior\SyncedTable\TableSyncer\TableSyncer;
+use Propel\Generator\Model\ForeignKey;
+use Propel\Generator\Model\Table;
+
+/**
+ * Syncs another table definition to the one holding this behavior.
+ *
+ * Inherits parameter declaration from SyncedTableBehaviorDeclaration.
+ *
+ * Base for Archivable and Versionable behavior.
+ */
+class SyncedTableBehavior extends SyncedTableBehaviorDeclaration
+{
+    /**
+     * @var \Propel\Generator\Model\Table|null
+     */
+    protected $syncedTable;
+
+    /**
+     * @return \Propel\Generator\Model\Table|null
+     */
+    public function getSyncedTable(): ?Table
+    {
+        return $this->syncedTable;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDefaultTableSuffix(): string
+    {
+        return static::DEFAULT_SYNCED_TABLE_SUFFIX;
+    }
+
+    /**
+     * @return void
+     */
+    protected function setupObject(): void
+    {
+        parent::setupObject();
+        $this->setParameterDefaults();
+    }
+
+    /**
+     * @return void
+     */
+    protected function setParameterDefaults(): void
+    {
+        $params = $this->getParameters();
+        $defaultParams = $this->getDefaultParameters();
+        $this->setParameters(array_merge($defaultParams, $params));
+    }
+
+    /**
+     * @return string
+     */
+    public function resolveSyncedTableName(): string
+    {
+        return $this->getSyncedTableName()
+            ?: $this->getTable()->getOriginCommonName() . $this->getDefaultSyncedTableSuffix();
+    }
+
+    /**
+     * @see \Propel\Generator\Model\Behavior::modifyDatabase()
+     *
+     * @return void
+     */
+    public function modifyDatabase(): void
+    {
+        foreach ($this->getDatabase()->getTables() as $table) {
+            $this->addBehaviorToTable($table);
+        }
+    }
+
+    /**
+     * Note overridden by inheriting classes.
+     *
+     * @param \Propel\Generator\Model\Table $table
+     *
+     * @return void
+     */
+    protected function addBehaviorToTable(Table $table): void
+    {
+        if ($table->hasBehavior($this->getId())) {
+            // don't add the same behavior twice
+            return;
+        }
+        $b = clone $this;
+        $table->addBehavior($b);
+    }
+
+    /**
+     * @see \Propel\Generator\Model\Behavior::modifyTable()
+     *
+     * @return void
+     */
+    public function modifyTable(): void
+    {
+        if ($this->omitOnSkipSql() && $this->table->isSkipSql()) {
+            return;
+        }
+        $this->validateParameters();
+        $this->syncedTable = TableSyncer::getSyncedTable($this, $this->getTable());
+        $this->addEmptyAccessorsToTable($this->syncedTable);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $table
+     *
+     * @return void
+     */
+    protected function addEmptyAccessorsToTable(Table $table): void
+    {
+        $emptyAccessorColumnNames = $this->getEmptyAccessorColumnNames();
+        if (!$emptyAccessorColumnNames) {
+            return;
+        }
+        EmptyColumnAccessorsBehavior::addEmptyAccessors($this, $table, $emptyAccessorColumnNames);
+    }
+
+    /**
+     * @throws \Propel\Generator\Behavior\SyncedTable\SyncedTableException
+     *
+     * @return void
+     */
+    public function validateParameters(): void
+    {
+        foreach ($this->getForeignKeys() as $fkData) {
+            if (empty($fkData['localColumn']) || empty($fkData['foreignTable']) || empty($fkData['foreignColumn'])) {
+                throw new SyncedTableException($this, 'Missing foreign key parameters - please supply `localColumn`, `foreignTable` and `foreignColumn` for every entry');
+            }
+        }
+    }
+
+    /**
+     * Manual add elements to the synced table.
+     *
+     * Allows extending classes to setup custom element. Happens somewhat
+     * between table setup for backward compatibility.
+     *
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param bool $tableExistsInSchema
+     *
+     * @return void
+     */
+    public function addTableElements(Table $syncedTable, bool $tableExistsInSchema): void
+    {
+        // base implementation does nothing
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $table
+     * @param string $parameterWithColumnName
+     * @param array $columnDefinition
+     *
+     * @return void
+     */
+    protected function addColumnFromParameterIfNotExists(Table $table, string $parameterWithColumnName, array $columnDefinition): void
+    {
+        $columnName = $this->getParameter($parameterWithColumnName);
+        TableSyncer::addColumnIfNotExists($table, $columnName, $columnDefinition);
+    }
+
+    /**
+     * @param string $parameterName
+     * @param bool $canBeBoolean
+     * @param \Propel\Generator\Model\Table|null $table
+     *
+     * @throws \Propel\Generator\Behavior\SyncedTable\SyncedTableException
+     *
+     * @return void
+     */
+    protected function checkColumnsInParameterExistInTable(string $parameterName, bool $canBeBoolean = false, ?Table $table = null): void
+    {
+        $table ??= $this->getTable();
+
+        if (
+            empty($this->parameters[$parameterName]) ||
+            ($canBeBoolean && in_array(strtolower($this->parameters[$parameterName]), ['true', 'false', 0, 1]))
+        ) {
+            return;
+        }
+        $columnNames = $this->getParameterCsv($parameterName);
+        foreach ($columnNames as $columnName) {
+            if ($table->hasColumn($columnName)) {
+                continue;
+            }
+
+            throw new SyncedTableException($this, "Column '$columnName' in parameter '$parameterName' does not exist in table");
+        }
+    }
+
+    /**
+     * @return string
+     */
+    public function getColumnPrefix(): string
+    {
+        $val = $this->useColumnPrefix();
+        if ($val === true) {
+            return $this->table->getName() . '_';
+        }
+
+        return is_string($val) ? $val : '';
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     *
+     * @throws \Propel\Generator\Behavior\SyncedTable\SyncedTableException
+     *
+     * @return array<\Propel\Generator\Model\Column>
+     */
+    protected function getSyncedPrimaryKeyColumns(Table $syncedTable): array
+    {
+        $prefix = $this->getColumnPrefix();
+        $pkColumns = [];
+        foreach ($this->table->getPrimaryKey() as $sourcePkColumn) {
+            $syncedPkColumnName = $prefix . $sourcePkColumn->getName();
+            $syncedPkColumn = $syncedTable->getColumn($syncedPkColumnName);
+            if (!$syncedPkColumn) {
+                throw new SyncedTableException($this, "Cannot find synced PK column '{$syncedPkColumnName}' for source column '{$sourcePkColumn->getName()}'");
+            }
+            $pkColumns[] = $syncedPkColumn;
+        }
+
+        return $pkColumns;
+    }
+
+    /**
+     * @param array<\Propel\Generator\Model\ForeignKey> $foreignKeys
+     *
+     * @return \Propel\Generator\Model\ForeignKey|null
+     */
+    public function findSyncedRelation(array $foreignKeys): ?ForeignKey
+    {
+        return TableSyncer::findSyncedRelation($this, $foreignKeys);
+    }
+}
diff --git a/src/Propel/Generator/Behavior/SyncedTable/SyncedTableBehaviorDeclaration.php b/src/Propel/Generator/Behavior/SyncedTable/SyncedTableBehaviorDeclaration.php
new file mode 100644
index 000000000..de0b8c658
--- /dev/null
+++ b/src/Propel/Generator/Behavior/SyncedTable/SyncedTableBehaviorDeclaration.php
@@ -0,0 +1,377 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\SyncedTable;
+
+use Propel\Generator\Behavior\SyncedTable\TableSyncer\TableSyncerConfigInterface;
+use Propel\Generator\Behavior\Util\BehaviorWithParameterAccess;
+
+/**
+ * Declares parameter keys and parameter value accessors.
+ */
+abstract class SyncedTableBehaviorDeclaration extends BehaviorWithParameterAccess implements TableSyncerConfigInterface
+{
+    /**
+     * If no table name is supplied for the synced table, the source table name
+     * will be used ammended by this suffix.
+     *
+     * @var string DEFAULT_SYNCED_TABLE_SUFFIX
+     */
+    protected const DEFAULT_SYNCED_TABLE_SUFFIX = '_synced';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNCED_TABLE = 'table_name';
+
+    /**
+     * @deprecated Needed for BC - prefer table_attributes
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNCED_PHPNAME = 'synced_phpname';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_TABLE_ATTRIBUTES = 'table_attributes';
+
+    /**
+     * @var string The name of the added pk column ('id' if set to 'true').
+     */
+    public const PARAMETER_KEY_ADD_PK = 'add_pk';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_COLUMNS = 'columns';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_FOREIGN_KEYS = 'foreign_keys';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_INHERIT_FROM_TABLE = 'inherit_from';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNC = 'sync';
+
+    /**
+     * Add a prefix to synced column names. Uses table name if "true".
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_COLUMN_PREFIX = 'column_prefix';
+
+    /**
+     * Defines relation between source and synced table.
+     *
+     * Possible values:
+     * - null|false (default): Do not create relation.
+     * - true: Create both relation on model and fk constraint.
+     * - 'skipSql': Create relation on the model, but no fk constraints on DB level.
+     * - parameter-list: Create constraints from list with foreign key options.
+     *
+     * Requires PK of source table on synced table.
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_RELATION = 'relation';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_INHERIT_FOREIGN_KEY_RELATIONS = 'inherit_foreign_key_relations';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_INHERIT_FOREIGN_KEY_CONSTRAINTS = 'inherit_foreign_key_constraints';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNC_INDEXES = 'sync_indexes';
+
+    /**
+     * Parameter can be set to 'index' or 'unique'.
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNC_UNIQUE_AS = 'sync_unique_as';
+
+    /**
+     * List of column names (csv) that should not be synced.
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_IGNORE_COLUMNS = 'ignore_columns';
+
+    /**
+     * Either list of column names (csv) or 'true' to use ignored columns.
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_EMPTY_ACCESSOR_COLUMNS = 'empty_accessor_columns';
+
+    /**
+     * Ignore all columns expect PK.
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNC_PK_ONLY = 'sync_pk_only';
+
+    /**
+     * What to do when parent table has skipSql="true".
+     *
+     * Options are:
+     * - ignore: synced table is a regular DB table
+     * - inherit: synced table also has skipSql="true"
+     * - omit (default): do not build the synced table
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_ON_SKIP_SQL = 'on_skip_sql';
+
+    /**
+     * @return string
+     */
+    public function getDefaultSyncedTableSuffix(): string
+    {
+        return static::DEFAULT_SYNCED_TABLE_SUFFIX;
+    }
+
+    /**
+     * @return array
+     */
+    protected function getDefaultParameters(): array
+    {
+        return [
+            static::PARAMETER_KEY_SYNCED_TABLE => '',
+            static::PARAMETER_KEY_SYNCED_PHPNAME => null,
+            static::PARAMETER_KEY_ADD_PK => null,
+            static::PARAMETER_KEY_SYNC => 'true',
+            static::PARAMETER_KEY_FOREIGN_KEYS => null,
+            static::PARAMETER_KEY_INHERIT_FOREIGN_KEY_RELATIONS => 'false',
+            static::PARAMETER_KEY_INHERIT_FOREIGN_KEY_CONSTRAINTS => 'false',
+            static::PARAMETER_KEY_SYNC_INDEXES => 'false',
+            static::PARAMETER_KEY_SYNC_UNIQUE_AS => null,
+            static::PARAMETER_KEY_RELATION => null,
+            static::PARAMETER_KEY_IGNORE_COLUMNS => null,
+            static::PARAMETER_KEY_EMPTY_ACCESSOR_COLUMNS => null,
+            static::PARAMETER_KEY_SYNC_PK_ONLY => 'false',
+        ];
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getSyncedTableName(): ?string
+    {
+        return $this->getParameter(static::PARAMETER_KEY_SYNCED_TABLE);
+    }
+
+    /**
+     * @return array
+     */
+    public function getTableAttributes(): array
+    {
+        $val = $this->parameters[static::PARAMETER_KEY_TABLE_ATTRIBUTES] ?? null;
+
+        return $val ? reset($val) : [];
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getSyncedTablePhpName(): ?string
+    {
+        return $this->getParameter(static::PARAMETER_KEY_SYNCED_PHPNAME);
+    }
+
+    /**
+     * @return string|null
+     */
+    public function addPkAs(): ?string
+    {
+        $val = $this->getParameterTrueOrValue(static::PARAMETER_KEY_ADD_PK, false);
+
+        return $val === true ? 'id' : $val;
+    }
+
+    /**
+     * @return array|null
+     */
+    public function getColmns(): ?array
+    {
+        return $this->parameters[static::PARAMETER_KEY_COLUMNS] ?? [];
+    }
+
+    /**
+     * @return array
+     */
+    public function getForeignKeys(): array
+    {
+        return $this->parameters[static::PARAMETER_KEY_FOREIGN_KEYS] ?? [];
+    }
+
+    /**
+     * @return bool
+     */
+    public function isSync(): bool
+    {
+        return $this->getParameterBool(static::PARAMETER_KEY_SYNC, false);
+    }
+
+    /**
+     * @return string|bool
+     */
+    public function useColumnPrefix()
+    {
+        return $this->getParameterTrueOrValue(static::PARAMETER_KEY_COLUMN_PREFIX, false);
+    }
+
+    /**
+     * @return bool
+     */
+    public function isSyncIndexes(): bool
+    {
+        return $this->getParameterBool(static::PARAMETER_KEY_SYNC_INDEXES, false);
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getSyncUniqueIndexAs(): ?string
+    {
+        return $this->getParameter(static::PARAMETER_KEY_SYNC_UNIQUE_AS);
+    }
+
+    /**
+     * @return array|null
+     */
+    public function getRelationAttributes(): ?array
+    {
+        /** @var array<array>|string|null $val */
+        $val = $this->parameters[static::PARAMETER_KEY_RELATION] ?? null;
+        if (is_array($val)) {
+            return $this->unwrapParameterList($val);
+        }
+        if (is_string($val)) {
+            $val = strtolower($val);
+        }
+        if (in_array($val, [null, false, 'false', 0, '0'], true)) {
+            return null;
+        }
+        $attributes = [];
+        if ($val === 'skipsql') {
+            $attributes['skipSql'] = 'true';
+        }
+
+        return $attributes;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isInheritForeignKeyRelations(): bool
+    {
+        return $this->getParameterBool(static::PARAMETER_KEY_INHERIT_FOREIGN_KEY_RELATIONS, false);
+    }
+
+    /**
+     * @return bool
+     */
+    public function isInheritForeignKeyConstraints(): bool
+    {
+        return $this->getParameterBool(static::PARAMETER_KEY_INHERIT_FOREIGN_KEY_CONSTRAINTS, false);
+    }
+
+    /**
+     * @return array
+     */
+    public function getIgnoredColumnNames(): array
+    {
+        return $this->getParameterCsv(static::PARAMETER_KEY_IGNORE_COLUMNS, []);
+    }
+
+    /**
+     * @return array|null
+     */
+    public function getEmptyAccessorColumnNames(): ?array
+    {
+        $val = $this->getParameterTrueOrCsv(static::PARAMETER_KEY_EMPTY_ACCESSOR_COLUMNS);
+
+        return ($val === true) ? $this->getIgnoredColumnNames() : $val;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isSyncPkOnly(): bool
+    {
+        return $this->getParameterBool(static::PARAMETER_KEY_SYNC_PK_ONLY, false);
+    }
+
+    /**
+     * @return string
+     */
+    public function onSkipSql(): string
+    {
+        $val = strtolower($this->getParameter(static::PARAMETER_KEY_ON_SKIP_SQL, 'omit'));
+
+        return in_array($val, ['ignore', 'inherit', 'omit']) ? $val : 'omit';
+    }
+
+    /**
+     * @return bool
+     */
+    public function inheritSkipSql(): bool
+    {
+        return $this->onSkipSql() === 'inherit';
+    }
+
+    /**
+     * @return bool
+     */
+    public function omitOnSkipSql(): bool
+    {
+        return $this->onSkipSql() === 'omit';
+    }
+
+    /**
+     * @throws \Propel\Generator\Behavior\SyncedTable\SyncedTableException
+     *
+     * @return array|null
+     */
+    public function getTableInheritance()
+    {
+        $val = $this->parameters[static::PARAMETER_KEY_INHERIT_FROM_TABLE] ?? null;
+        if ($val === null) {
+            return null;
+        }
+        if (is_string($val)) {
+            return ['source_table' => $val];
+        }
+
+        $val = $this->unwrapParameterList($val);
+        if (empty($val['source_table'])) {
+            $format = 'Array input to parameter "%s" requires a table name in <parameter name="%s" value="..."/>';
+            $msg = sprintf($format, static::PARAMETER_KEY_INHERIT_FROM_TABLE, 'source_table');
+
+            throw new SyncedTableException($this, $msg);
+        }
+
+        return $val;
+    }
+}
diff --git a/src/Propel/Generator/Behavior/SyncedTable/SyncedTableException.php b/src/Propel/Generator/Behavior/SyncedTable/SyncedTableException.php
new file mode 100644
index 000000000..0d8606920
--- /dev/null
+++ b/src/Propel/Generator/Behavior/SyncedTable/SyncedTableException.php
@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\SyncedTable;
+
+use Propel\Runtime\Exception\PropelException;
+use Throwable;
+
+class SyncedTableException extends PropelException
+{
+    /**
+     * Constructs the Exception.
+     *
+     * @param \Propel\Generator\Behavior\SyncedTable\SyncedTableBehaviorDeclaration $behavior
+     * @param string $message The Exception message to throw.
+     * @param int $code The Exception code.
+     * @param \Throwable|null $previous The previous exception used for the exception chaining.
+     */
+    public function __construct(SyncedTableBehaviorDeclaration $behavior, string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        $messageHead = "Behavior '{$behavior->getName()}' on table '{$behavior->getTable()->getName()}': ";
+        parent::__construct($messageHead . $message, $code, $previous);
+    }
+}
diff --git a/src/Propel/Generator/Behavior/SyncedTable/TableSyncer/TableSyncer.php b/src/Propel/Generator/Behavior/SyncedTable/TableSyncer/TableSyncer.php
new file mode 100644
index 000000000..03a110ea3
--- /dev/null
+++ b/src/Propel/Generator/Behavior/SyncedTable/TableSyncer/TableSyncer.php
@@ -0,0 +1,574 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\SyncedTable\TableSyncer;
+
+use Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior;
+use Propel\Generator\Behavior\SyncedTable\SyncedTableBehaviorDeclaration;
+use Propel\Generator\Behavior\Util\InsertCodeBehavior;
+use Propel\Generator\Exception\SchemaException;
+use Propel\Generator\Model\Column;
+use Propel\Generator\Model\ForeignKey;
+use Propel\Generator\Model\Index;
+use Propel\Generator\Model\Table;
+use Propel\Generator\Model\Unique;
+use Propel\Generator\Platform\PgsqlPlatform;
+use Propel\Generator\Platform\PlatformInterface;
+use Propel\Generator\Platform\SqlitePlatform;
+use RuntimeException;
+
+/**
+ * Creates the the synced table according to the given behavior.
+ */
+class TableSyncer
+{
+    /**
+     * Attribute key set on built element to identify heritage.
+     *
+     * @var string
+     */
+    public const ATTRIBUTE_KEY_SYNCED_THROUGH = 'synced_through';
+
+    /**
+     * @var \Propel\Generator\Behavior\SyncedTable\TableSyncer\TableSyncerConfigInterface
+     */
+    protected $config;
+
+    /**
+     * @param \Propel\Generator\Behavior\SyncedTable\TableSyncer\TableSyncerConfigInterface $config
+     */
+    public function __construct(TableSyncerConfigInterface $config)
+    {
+        $this->config = $config;
+    }
+
+    /**
+     * @param \Propel\Generator\Behavior\SyncedTable\TableSyncer\TableSyncerConfigInterface $config
+     * @param \Propel\Generator\Model\Table $sourceTable
+     *
+     * @return \Propel\Generator\Model\Table
+     */
+    public static function getSyncedTable(TableSyncerConfigInterface $config, Table $sourceTable): Table
+    {
+        return (new self($config))->buildSyncedTable($sourceTable);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $sourceTable
+     *
+     * @return \Propel\Generator\Model\Table
+     */
+    protected function buildSyncedTable(Table $sourceTable): Table
+    {
+        $database = $sourceTable->getDatabase();
+        $syncedTableName = $this->config->resolveSyncedTableName();
+
+        $tableExistsInSchema = $database->hasTable($syncedTableName);
+
+        $syncedTable = $tableExistsInSchema ?
+            $database->getTable($syncedTableName) :
+            $this->createSyncedTable($sourceTable);
+
+        $this->resolveInheritance($syncedTable);
+
+        if (!$tableExistsInSchema || $this->config->isSync()) {
+            $this->syncTables($sourceTable, $syncedTable);
+        } else {
+            $this->addCustomElements($syncedTable, true);
+        }
+
+        return $syncedTable;
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $sourceTable
+     *
+     * @return \Propel\Generator\Model\Table
+     */
+    protected function createSyncedTable(Table $sourceTable): Table
+    {
+        $database = $sourceTable->getDatabase();
+
+        $tableAttributes = $this->config->getTableAttributes();
+        $defaultAttributes = [
+            'name' => $this->config->resolveSyncedTableName(),
+            'phpName' => $this->config->getSyncedTablePhpName(),
+            'package' => $sourceTable->getPackage(),
+            'schema' => $sourceTable->getSchema(),
+            'namespace' => $sourceTable->getNamespace() ? '\\' . $sourceTable->getNamespace() : null,
+            'identifierQuoting' => $sourceTable->isIdentifierQuotingEnabled(),
+        ];
+
+        if ($this->config->inheritSkipSql()) {
+            $defaultAttributes['skipSql'] = $sourceTable->isSkipSql();
+        }
+
+        return $database->addTable(array_merge($defaultAttributes, $tableAttributes));
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $targetTable Table to copy to.
+     *
+     * @throws \Propel\Generator\Exception\SchemaException
+     *
+     * @return void
+     */
+    protected function resolveInheritance(Table $targetTable): void
+    {
+        $inheritance = $this->config->getTableInheritance();
+        if (!$inheritance) {
+            return;
+        }
+        $sourceTableName = $inheritance['source_table'];
+        $sourceTable = $targetTable->getDatabase()->getTable($sourceTableName);
+        if (!$sourceTable) {
+            throw new SchemaException("Cannot find source table '$sourceTableName'");
+        }
+        $behavior = new SyncedTableBehavior();
+        $behavior->setId('sync_to_table_' . $targetTable->getName());
+        $behavior->setTable($sourceTable);
+        $defaultParameters = [
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_SYNCED_TABLE => $targetTable->getName(),
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_SYNC => 'true',
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_SYNC_INDEXES => 'true',
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_SYNC_UNIQUE_AS => 'unique',
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_INHERIT_FOREIGN_KEY_CONSTRAINTS => 'true',
+            SyncedTableBehaviorDeclaration::PARAMETER_KEY_ON_SKIP_SQL => 'ignore',
+        ];
+        $parameters = array_merge($defaultParameters, $inheritance);
+        $behavior->setParameters($parameters);
+        $behavior->modifyTable();
+        InsertCodeBehavior::addToTable($behavior, $targetTable, ['parentClass' => $sourceTable]);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $sourceTable
+     * @param \Propel\Generator\Model\Table $syncedTable
+     *
+     * @return \Propel\Generator\Model\Table
+     */
+    protected function syncTables(Table $sourceTable, Table $syncedTable): Table
+    {
+        $columns = $sourceTable->getColumns();
+        $ignoreColumnNames = $this->resolveIgnoredColumnNames($sourceTable);
+        $this->syncColumns($syncedTable, $columns, $ignoreColumnNames);
+
+        $relationAttributes = $this->config->getRelationAttributes();
+        if ($relationAttributes !== null) {
+            $this->addForeignKeyRelationToSyncedTable($syncedTable, $sourceTable, $relationAttributes);
+        }
+
+        $this->addCustomElements($syncedTable, false);
+
+        $inheritFkRelations = $this->config->isInheritForeignKeyRelations();
+        $inheritFkConstraints = $this->config->isInheritForeignKeyConstraints();
+        if ($inheritFkRelations || $inheritFkConstraints) {
+            $foreignKeys = $sourceTable->getForeignKeys();
+            $this->syncForeignKeys($syncedTable, $foreignKeys, $inheritFkConstraints, $ignoreColumnNames);
+        }
+
+        if ($this->config->isSyncIndexes()) {
+            $indexes = $sourceTable->getIndices();
+            $platform = $sourceTable->getDatabase()->getPlatform();
+            $renameIndexes = $this->isDistinctiveIndexNameRequired($platform);
+            $this->syncIndexes($syncedTable, $indexes, $renameIndexes, $ignoreColumnNames);
+        }
+
+        $syncUniqueAs = $this->config->getSyncUniqueIndexAs();
+        if ($syncUniqueAs) {
+            $asIndex = $syncUniqueAs !== 'unique';
+            $uniqueIndexes = $sourceTable->getUnices();
+            $this->syncUniqueIndexes($asIndex, $syncedTable, $uniqueIndexes, $ignoreColumnNames);
+        }
+
+        $this->reapplyTableBehaviors($sourceTable);
+
+        return $syncedTable;
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $sourceTable
+     *
+     * @return array<string>
+     */
+    protected function resolveIgnoredColumnNames(Table $sourceTable): array
+    {
+        $ignoreColumnNames = $this->config->getIgnoredColumnNames();
+        if (!$this->config->isSyncPkOnly()) {
+            return $ignoreColumnNames;
+        }
+        $nonPkColumns = array_filter($sourceTable->getColumns(), fn (Column $column) => !$column->isPrimaryKey());
+        $nonPkColumnNames = array_map(fn (Column $column) => $column->getName(), $nonPkColumns);
+
+        return array_unique(array_merge($ignoreColumnNames, $nonPkColumnNames));
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param bool $tableExistsInSchema
+     *
+     * @return void
+     */
+    protected function addCustomElements(Table $syncedTable, bool $tableExistsInSchema)
+    {
+        $this->addPkColumn($syncedTable);
+        $this->addColumnsFromParameter($syncedTable);
+        $this->addCustomForeignKeysToSyncedTable($syncedTable);
+        $this->config->addTableElements($syncedTable, $tableExistsInSchema);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $table
+     *
+     * @return void
+     */
+    protected function addColumnsFromParameter(Table $table): void
+    {
+        $columnData = $this->config->getColmns();
+        if (!$columnData) {
+            return;
+        }
+        array_map([$table, 'addColumn'], $columnData);
+    }
+
+    /**
+     * Allows inheriting classes to add columns.
+     *
+     * @param \Propel\Generator\Model\Table $table
+     *
+     * @return void
+     */
+    protected function addPkColumn(Table $table)
+    {
+        $idColumnName = $this->config->addPkAs();
+        if (!$idColumnName) {
+            return;
+        }
+        static::addColumnIfNotExists($table, $idColumnName, [
+            'type' => 'INTEGER',
+            'required' => 'true',
+            'primaryKey' => 'true',
+            'autoIncrement' => 'true',
+        ]);
+        foreach ($table->getPrimaryKey() as $pkColumn) {
+            if ($pkColumn->getName() === $idColumnName) {
+                continue;
+            }
+            $pkColumn->setPrimaryKey(false);
+        }
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param \Propel\Generator\Model\Table $sourceTable
+     * @param array $relationAttributes
+     *
+     * @throws \Propel\Generator\Exception\SchemaException If columns are not found.
+     *
+     * @return void
+     */
+    protected function addForeignKeyRelationToSyncedTable(Table $syncedTable, Table $sourceTable, array $relationAttributes): void
+    {
+        $fk = new ForeignKey();
+        $syncedTable->addForeignKey($fk);
+        $defaultAttributes = [
+            'foreignTable' => $sourceTable->getOriginCommonName(),
+            'foreignSchema' => $sourceTable->getSchema(),
+            static::ATTRIBUTE_KEY_SYNCED_THROUGH => $this->config->getId(), // allows to retrieve relation
+        ];
+        $fullAttributes = array_merge($defaultAttributes, $relationAttributes);
+
+        $fk->loadMapping($fullAttributes);
+
+        foreach ($sourceTable->getPrimaryKey() as $sourceColumn) {
+            $syncedColumnName = $this->getPrefixedColumnName($sourceColumn->getName());
+            $syncedColumn = $syncedTable->getColumn($syncedColumnName);
+            if (!$syncedColumn) {
+                throw new SchemaException('Synced table behavior cannot create relation: primary key column of source table is missing on synced table: ' . $syncedColumnName);
+            }
+            $fk->addReference($syncedColumn, $sourceColumn);
+        }
+    }
+
+    /**
+     * @param \Propel\Generator\Behavior\SyncedTable\TableSyncer\TableSyncerConfigInterface $config
+     * @param array<\Propel\Generator\Model\ForeignKey> $foreignKeys
+     *
+     * @throws \RuntimeException If more than one relation is found.
+     *
+     * @return \Propel\Generator\Model\ForeignKey|null
+     */
+    public static function findSyncedRelation(TableSyncerConfigInterface $config, array $foreignKeys): ?ForeignKey
+    {
+        $filter = fn (ForeignKey $fk) => $fk->getAttribute(static::ATTRIBUTE_KEY_SYNCED_THROUGH) === $config->getId();
+        $matches = array_filter($foreignKeys, $filter);
+        if (count($matches) > 1) {
+            throw new RuntimeException('More than one relation identified through ');
+        }
+
+        return reset($matches) ?: null;
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     *
+     * @return void
+     */
+    protected function addCustomForeignKeysToSyncedTable(Table $syncedTable)
+    {
+        $foreignKeys = $this->config->getForeignKeys();
+        foreach ($foreignKeys as $fkData) {
+            $this->createForeignKeyFromParameters($syncedTable, $fkData);
+        }
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param array<\Propel\Generator\Model\Column> $columns
+     * @param array<string> $ignoreColumnNames
+     *
+     * @return void
+     */
+    protected function syncColumns(Table $syncedTable, array $columns, array $ignoreColumnNames)
+    {
+        foreach ($columns as $sourceColumn) {
+            $syncedColumnName = $this->getPrefixedColumnName($sourceColumn->getName());
+            if (in_array($sourceColumn->getName(), $ignoreColumnNames) || $syncedTable->hasColumn($syncedColumnName)) {
+                continue;
+            }
+            $syncedColumn = clone $sourceColumn;
+            $syncedColumn->setName($syncedColumnName);
+            $syncedColumn->setPhpName(null);
+            $syncedColumn->clearReferrers();
+            $syncedColumn->clearInheritanceList();
+            $syncedColumn->setAutoIncrement(false);
+            $syncedTable->addColumn($syncedColumn);
+        }
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param array<\Propel\Generator\Model\ForeignKey> $foreignKeys
+     * @param bool $inheritConstraints
+     * @param array<string> $ignoreColumnNames
+     *
+     * @return void
+     */
+    protected function syncForeignKeys(Table $syncedTable, array $foreignKeys, bool $inheritConstraints, array $ignoreColumnNames)
+    {
+        foreach ($foreignKeys as $originalForeignKey) {
+            if (
+                $syncedTable->containsForeignKeyWithSameName($originalForeignKey)
+                || array_intersect($originalForeignKey->getLocalColumns(), $ignoreColumnNames)
+            ) {
+                continue;
+            }
+            $syncedForeignKey = clone $originalForeignKey;
+            $syncedForeignKey->setSkipSql(!$inheritConstraints);
+            $this->prefixForeignKeyColumnNames($syncedForeignKey);
+            $syncedTable->addForeignKey($syncedForeignKey);
+        }
+    }
+
+    /**
+     * @param \Propel\Generator\Model\ForeignKey $fk
+     *
+     * @return void
+     */
+    protected function prefixForeignKeyColumnNames(ForeignKey $fk): void
+    {
+        if (!$this->config->getColumnPrefix()) {
+            return;
+        }
+        $mapping = $fk->getColumnObjectsMapping();
+        $fk->clearReferences();
+        foreach ($mapping as $def) {
+            $fk->addReference([
+                'local' => $this->getPrefixedColumnName($def['local']->getName()),
+                'foreign' => $def['foreign'] ? $def['foreign']->getName() : null,
+                'value' => $def['value'],
+            ]);
+        }
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param array<\Propel\Generator\Model\Index> $indexes
+     * @param bool $rename
+     * @param array<string> $ignoreColumnNames
+     *
+     * @return void
+     */
+    protected function syncIndexes(Table $syncedTable, array $indexes, bool $rename, array $ignoreColumnNames)
+    {
+        foreach ($indexes as $originalIndex) {
+            $index = clone $originalIndex;
+
+            if (!$this->removeColumnsFromIndex($index, $ignoreColumnNames)) {
+                continue;
+            }
+
+            if ($rename) {
+                // by removing the name, Propel will generate a unique name based on table and columns
+                $index->setName(null);
+            }
+
+            $this->prefixIndexColumnNames($index, $syncedTable);
+
+            if ($syncedTable->hasIndex($index->getName())) {
+                continue;
+            }
+            $syncedTable->addIndex($index);
+        }
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Index $index
+     * @param \Propel\Generator\Model\Table $table
+     *
+     * @return void
+     */
+    protected function prefixIndexColumnNames(Index $index, Table $table): void
+    {
+        if (!$this->config->getColumnPrefix()) {
+            return;
+        }
+        $updatedColumnNames = array_map([$this, 'getPrefixedColumnName'], $index->getColumns());
+        $columns = array_map([$table, 'getColumn'], $updatedColumnNames);
+        $index->setColumns($columns);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Index $index
+     * @param array $ignoreColumnNames
+     *
+     * @return \Propel\Generator\Model\Index|null Returns null if the index has no remaining columns.
+     */
+    protected function removeColumnsFromIndex(Index $index, array $ignoreColumnNames): ?Index
+    {
+        $ignoredColumnsInIndex = array_intersect($index->getColumns(), $ignoreColumnNames);
+        if (!$ignoredColumnsInIndex) {
+            return $index;
+        }
+        if (count($ignoredColumnsInIndex) === count($index->getColumns())) {
+            return null;
+        }
+        $indexColumns = array_filter($index->getColumnObjects(), fn (Column $col) => !in_array($col->getName(), $ignoredColumnsInIndex));
+        $index->setColumns($indexColumns);
+
+        return $index;
+    }
+
+    /**
+     * Create regular indexes from unique indexes on the given synced table.
+     *
+     * The synced table cannot use unique indexes, as even unique data on the
+     * source table can be syncedd several times.
+     *
+     * @param bool $asIndex
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param array<\Propel\Generator\Model\Unique> $uniqueIndexes
+     * @param array<string> $ignoreColumnNames
+     *
+     * @return void
+     */
+    protected function syncUniqueIndexes(bool $asIndex, Table $syncedTable, array $uniqueIndexes, array $ignoreColumnNames)
+    {
+        $indexClass = $asIndex ? Index::class : Unique::class;
+        foreach ($uniqueIndexes as $unique) {
+            if (array_intersect($unique->getColumns(), $ignoreColumnNames)) {
+                continue;
+            }
+            $index = new $indexClass();
+            $index->setTable($syncedTable);
+            foreach ($unique->getColumns() as $columnName) {
+                $columnDef = [
+                    'name' => $this->getPrefixedColumnName($columnName),
+                    'size' => $unique->getColumnSize($columnName),
+                ];
+                $index->addColumn($columnDef);
+            }
+
+            $existingIndexes = $asIndex ? $syncedTable->getIndices() : $syncedTable->getUnices();
+            $existingIndexNames = array_map(fn ($index) => $index->getName(), $existingIndexes);
+            if (in_array($index->getName(), $existingIndexNames)) {
+                continue;
+            }
+            $index instanceof Unique ? $syncedTable->addUnique($index) : $syncedTable->addIndex($index);
+        }
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $table
+     *
+     * @return void
+     */
+    protected function reapplyTableBehaviors(Table $table)
+    {
+        $behaviors = $table->getDatabase()->getBehaviors();
+        foreach ($behaviors as $behavior) {
+            if ($behavior instanceof SyncedTableBehavior) {
+                continue;
+            }
+            $behavior->modifyDatabase();
+        }
+    }
+
+    /**
+     * @psalm-param array{name?: string, localColumn: string, foreignTable: string, foreignColumn: string, relationOnly?: string} $fkData
+     *
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param array $fkData
+     *
+     * @return void
+     */
+    protected function createForeignKeyFromParameters(Table $syncedTable, array $fkData): void
+    {
+        $fk = new ForeignKey($fkData['name'] ?? null);
+        $fk->addReference($fkData['localColumn'], $fkData['foreignColumn']);
+        $syncedTable->addForeignKey($fk);
+        $fk->loadMapping($fkData);
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $table
+     * @param string $columnName
+     * @param array $columnDefinition
+     *
+     * @return \Propel\Generator\Model\Column
+     */
+    public static function addColumnIfNotExists(Table $table, string $columnName, array $columnDefinition): Column
+    {
+        if ($table->hasColumn($columnName)) {
+            return $table->getColumn($columnName);
+        }
+        $columnDefinitionWithName = array_merge(['name' => $columnName], $columnDefinition);
+
+        return $table->addColumn($columnDefinitionWithName);
+    }
+
+    /**
+     * @param \Propel\Generator\Platform\PlatformInterface|null $platform
+     *
+     * @return bool
+     */
+    protected function isDistinctiveIndexNameRequired(?PlatformInterface $platform): bool
+    {
+        return $platform instanceof PgsqlPlatform || $platform instanceof SqlitePlatform;
+    }
+
+    /**
+     * @param string $columnName
+     *
+     * @return string
+     */
+    protected function getPrefixedColumnName(string $columnName): string
+    {
+        return $this->config->getColumnPrefix() . $columnName;
+    }
+}
diff --git a/src/Propel/Generator/Behavior/SyncedTable/TableSyncer/TableSyncerConfigInterface.php b/src/Propel/Generator/Behavior/SyncedTable/TableSyncer/TableSyncerConfigInterface.php
new file mode 100644
index 000000000..db87e345b
--- /dev/null
+++ b/src/Propel/Generator/Behavior/SyncedTable/TableSyncer/TableSyncerConfigInterface.php
@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\SyncedTable\TableSyncer;
+
+use Propel\Generator\Model\Table;
+
+interface TableSyncerConfigInterface
+{
+    /**
+     * @return string
+     */
+    public function getId(): string;
+
+    /**
+     * @return string
+     */
+    public function getDefaultSyncedTableSuffix(): string;
+
+    /**
+     * @return string
+     */
+    public function resolveSyncedTableName(): string;
+
+    /**
+     * @return string|null
+     */
+    public function getSyncedTablePhpName(): ?string;
+
+    /**
+     * @return array
+     */
+    public function getTableAttributes(): array;
+
+    /**
+     * @return string|null
+     */
+    public function addPkAs(): ?string;
+
+    /**
+     * @return array|null
+     */
+    public function getColmns(): ?array;
+
+    /**
+     * @return array
+     */
+    public function getForeignKeys(): array;
+
+    /**
+     * @return bool
+     */
+    public function isSync(): bool;
+
+    /**
+     * @return bool
+     */
+    public function isSyncIndexes(): bool;
+
+    /**
+     * @return string|null
+     */
+    public function getSyncUniqueIndexAs(): ?string;
+
+    /**
+     * @return array|null
+     */
+    public function getRelationAttributes(): ?array;
+
+    /**
+     * @return bool
+     */
+    public function isInheritForeignKeyRelations(): bool;
+
+    /**
+     * @return bool
+     */
+    public function isInheritForeignKeyConstraints(): bool;
+
+    /**
+     * @return array
+     */
+    public function getIgnoredColumnNames(): array;
+
+    /**
+     * @return bool
+     */
+    public function isSyncPkOnly(): bool;
+
+    /**
+     * Add elements to the synced table manually.
+     *
+     * Allows extending classes to setup custom element. Happens somewhat
+     * between table setup for backward compatibility.
+     *
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param bool $tableExistsInSchema
+     *
+     * @return void
+     */
+    public function addTableElements(Table $syncedTable, bool $tableExistsInSchema): void;
+
+    /**
+     * @return string
+     */
+    public function getColumnPrefix(): string;
+
+    /**
+     * @return bool
+     */
+    public function inheritSkipSql(): bool;
+
+    /**
+     * @return array|null
+     */
+    public function getTableInheritance();
+}
diff --git a/src/Propel/Generator/Behavior/Util/BehaviorWithParameterAccess.php b/src/Propel/Generator/Behavior/Util/BehaviorWithParameterAccess.php
new file mode 100644
index 000000000..ace788674
--- /dev/null
+++ b/src/Propel/Generator/Behavior/Util/BehaviorWithParameterAccess.php
@@ -0,0 +1,137 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\Util;
+
+use Propel\Generator\Exception\SchemaException;
+use Propel\Generator\Model\Behavior;
+
+abstract class BehaviorWithParameterAccess extends Behavior
+{
+    /**
+     * @param string $name
+     * @param string|null $defaultValue
+     *
+     * @return string|null
+     */
+    public function getParameter(string $name, ?string $defaultValue = null): ?string
+    {
+        $val = $this->parameters[$name] ?? null;
+
+        return is_string($val) ? trim($val) : $defaultValue; // means empty space (' ') cannot be a value, seems ok.
+    }
+
+    /**
+     * @param string $parameterName
+     * @param bool|null $defaultValue
+     *
+     * @return bool|null
+     */
+    public function getParameterBool(string $parameterName, ?bool $defaultValue = null): ?bool
+    {
+        $val = $this->getParameter($parameterName);
+
+        return !$val ? $defaultValue : in_array(strtolower($val), ['true', '1']);
+    }
+
+    /**
+     * @param string $parameterName
+     * @param int|null $defaultValue
+     *
+     * @throws \Propel\Generator\Exception\SchemaException
+     *
+     * @return int|null
+     */
+    public function getParameterInt(string $parameterName, ?int $defaultValue = null): ?int
+    {
+        $val = $this->getParameter($parameterName);
+        if ($val === null) {
+            return $defaultValue;
+        }
+        if (!is_numeric($val)) {
+            throw new SchemaException("Parameter $parameterName should be numeric, but is '$val'");
+        }
+
+        return (int)$val;
+    }
+
+    /**
+     * @param string $parameterName
+     * @param array|null $defaultValue
+     * @param callable|null $mapper
+     *
+     * @return array|null
+     */
+    public function getParameterCsv(string $parameterName, ?array $defaultValue = [], ?callable $mapper = null): ?array
+    {
+        $valString = $this->getParameter($parameterName);
+        if (!$valString) {
+            return $defaultValue;
+        }
+        $valList = $this->explodeCsv($valString);
+
+        return $mapper ? array_map($mapper, $valList) : $valList;
+    }
+
+    /**
+     * @param string $parameterName
+     * @param mixed $defaultValue
+     *
+     * @return mixed|true
+     */
+    public function getParameterTrueOrValue(string $parameterName, $defaultValue = null)
+    {
+        $val = $this->parameters[$parameterName] ?? null;
+        $isTrue = is_string($val) && $this->getParameterBool($parameterName);
+
+        return $isTrue ?: ($this->parameters[$parameterName] ?? $defaultValue);
+    }
+
+    /**
+     * @param string $parameterName
+     * @param array|null $defaultValue
+     * @param callable|null $mapper
+     *
+     * @return array|true|null
+     */
+    public function getParameterTrueOrCsv(string $parameterName, ?array $defaultValue = null, $mapper = null)
+    {
+        $val = $this->getParameterBool($parameterName);
+
+        return $val ?: $this->getParameterCsv($parameterName, $defaultValue, $mapper);
+    }
+
+    /**
+     * @param string $stringValue
+     *
+     * @return array<string>|null
+     */
+    protected function explodeCsv(string $stringValue): ?array
+    {
+        $stringValue = trim($stringValue);
+
+        return trim($stringValue) ? array_map('trim', explode(',', $stringValue)) : null;
+    }
+
+    /**
+     * Unwraps an array created by `<parameter-list>`.
+     *
+     * @psalm-param [array]|array<mixed> $parameterListOrList
+     *
+     * @param array $parameterListOrList
+     *
+     * @return array
+     */
+    protected function unwrapParameterList(array $parameterListOrList): array
+    {
+        $firstElement = reset($parameterListOrList);
+        $assumeParameterList = count($parameterListOrList) === 1 && is_array($firstElement);
+
+        return $assumeParameterList ? $firstElement : $parameterListOrList;
+    }
+}
diff --git a/src/Propel/Generator/Behavior/Util/InsertCodeBehavior.php b/src/Propel/Generator/Behavior/Util/InsertCodeBehavior.php
new file mode 100644
index 000000000..899ccf8ae
--- /dev/null
+++ b/src/Propel/Generator/Behavior/Util/InsertCodeBehavior.php
@@ -0,0 +1,265 @@
+<?php
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Generator\Behavior\Util;
+
+use InvalidArgumentException;
+use Propel\Generator\Builder\Om\AbstractOMBuilder;
+use Propel\Generator\Builder\Om\ObjectBuilder;
+use Propel\Generator\Builder\Om\QueryBuilder;
+use Propel\Generator\Model\Behavior;
+use Propel\Generator\Model\Table;
+
+/**
+ * Used internally to put code on another class. WIP - only currently used
+ * functionality is implemented. Enhance if needed.
+ */
+class InsertCodeBehavior extends Behavior
+{
+    /**
+     * @var array<string, string|callable|\Propel\Generator\Model\Table>
+     */
+    protected $codeForHooks = [];
+
+    /**
+     * Add this behavior to a table.
+     *
+     * @param \Propel\Generator\Model\Behavior $insertingBehavior
+     * @param \Propel\Generator\Model\Table $table
+     * @param array $codeForHooks
+     *
+     * @return \Propel\Generator\Behavior\Util\InsertCodeBehavior|self
+     */
+    public static function addToTable(Behavior $insertingBehavior, Table $table, array $codeForHooks): self
+    {
+        $behavior = new self();
+        $behavior->setup($insertingBehavior, $table, $codeForHooks);
+
+        return $behavior;
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Behavior $insertingBehavior
+     * @param \Propel\Generator\Model\Table $table
+     * @param array $codeForHooks
+     *
+     * @return void
+     */
+    public function setup(Behavior $insertingBehavior, Table $table, array $codeForHooks)
+    {
+        $id = "insert_code_from_{$insertingBehavior->getName()}_behavior_on_table_{$insertingBehavior->getTable()->getName()}";
+        $this->setId($id);
+        $this->setDatabase($table->getDatabase());
+        $this->setTable($table);
+        $this->codeForHooks = $codeForHooks;
+        $table->addBehavior($this);
+    }
+
+    /**
+     * @see \Propel\Generator\Model\Behavior::allowMultiple()
+     *
+     * @return bool
+     */
+    public function allowMultiple(): bool
+    {
+        return true;
+    }
+
+    // object builder hooks
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function objectAttributes(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('objectAttributes', $objectBuilder);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function objectMethods(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('objectMethods', $objectBuilder);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function objectCall(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('objectCall', $objectBuilder);
+    }
+
+    /**
+     * @see \Propel\Generator\Model\Behavior::objectFilter()
+     *
+     * @param string $script
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return void
+     */
+    public function objectFilter(string &$script, ObjectBuilder $objectBuilder)
+    {
+        $fun = $this->codeForHooks['objectFilter'] ?? null;
+        if (!$fun) {
+            return;
+        }
+        if (!is_callable($fun)) {
+            throw new InvalidArgumentException("Value in 'objectFilter' has to be callable.");
+        }
+
+        $script = $fun($script, $objectBuilder);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function preInsert(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('preInsert', $objectBuilder);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function postInsert(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('postInsert', $objectBuilder);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function preUpdate(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('preUpdate', $objectBuilder);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function postUpdate(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('postUpdate', $objectBuilder);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function preDelete(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('preDelete', $objectBuilder);
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    public function postDelete(ObjectBuilder $objectBuilder): string
+    {
+        return $this->resolveCode('postDelete', $objectBuilder);
+    }
+
+    /**
+     * @param string $hook
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder $objectBuilder
+     *
+     * @return string
+     */
+    protected function resolveCode(string $hook, ObjectBuilder $objectBuilder): string
+    {
+        $code = $this->codeForHooks[$hook] ?? null;
+        if (!$code) {
+            return '';
+        }
+
+        return is_callable($code) ? $code($objectBuilder) : $code;
+    }
+
+    // parentClass
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder|\Propel\Generator\Builder\Om\QueryBuilder $builder
+     *
+     * @return string|null
+     */
+    public function parentClass($builder): ?string
+    {
+        $parentTable = $this->resolveTableFromHookContent($builder, 'parentClass');
+        if (!$parentTable) {
+            return null;
+        }
+        $stubBuilder = $this->buildStubBuilder($builder, $parentTable);
+
+        return $stubBuilder ? $builder->declareClassFromBuilder($stubBuilder, true) : null;
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\AbstractOMBuilder $builder
+     * @param string $hook
+     *
+     * @throws \InvalidArgumentException If the table cannot be resolved
+     *
+     * @return \Propel\Generator\Model\Table|null
+     */
+    protected function resolveTableFromHookContent(AbstractOMBuilder $builder, string $hook): ?Table
+    {
+        $parentTable = $this->codeForHooks[$hook] ?? null;
+        if (is_string($parentTable)) {
+            $resolvedTable = $builder->getDatabase()->getTable($parentTable);
+            if (!$resolvedTable) {
+                throw new InvalidArgumentException("Could not find table in '$hook': '$parentTable'");
+            }
+
+            return $resolvedTable;
+        }
+        if ($parentTable && !($parentTable instanceof Table)) {
+            throw new InvalidArgumentException("Value in '$hook' has to be an instance of Table");
+        }
+
+        return $parentTable;
+    }
+
+    /**
+     * @param \Propel\Generator\Builder\Om\ObjectBuilder|\Propel\Generator\Builder\Om\QueryBuilder $builder
+     * @param \Propel\Generator\Model\Table $table
+     *
+     * @return \Propel\Generator\Builder\Om\AbstractOMBuilder|null
+     */
+    protected function buildStubBuilder($builder, Table $table): ?AbstractOMBuilder
+    {
+        switch (get_class($builder)) {
+            case ObjectBuilder::class:
+                return $builder->getNewStubObjectBuilder($table);
+            case QueryBuilder::class:
+                return $builder->getNewStubQueryBuilder($table);
+            default:
+                return null;
+        }
+    }
+}
diff --git a/src/Propel/Generator/Behavior/Versionable/VersionableBehavior.php b/src/Propel/Generator/Behavior/Versionable/VersionableBehavior.php
index 62b9af2b3..aed4e862f 100644
--- a/src/Propel/Generator/Behavior/Versionable/VersionableBehavior.php
+++ b/src/Propel/Generator/Behavior/Versionable/VersionableBehavior.php
@@ -8,7 +8,8 @@
 
 namespace Propel\Generator\Behavior\Versionable;
 
-use Propel\Generator\Model\Behavior;
+use Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior;
+use Propel\Generator\Behavior\SyncedTable\TableSyncer\TableSyncer;
 use Propel\Generator\Model\Column;
 use Propel\Generator\Model\ForeignKey;
 use Propel\Generator\Model\Table;
@@ -18,24 +19,33 @@
  *
  * @author Francois Zaninotto
  */
-class VersionableBehavior extends Behavior
+class VersionableBehavior extends SyncedTableBehavior
 {
     /**
-     * Default parameters value
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::DEFAULT_SYNCED_TABLE_SUFFIX
      *
-     * @var array<string, mixed>
+     * @var string DEFAULT_SYNCED_TABLE_SUFFIX
      */
-    protected $parameters = [
-        'version_column' => 'version',
-        'version_table' => '',
-        'log_created_at' => 'false',
-        'log_created_by' => 'false',
-        'log_comment' => 'false',
-        'version_created_at_column' => 'version_created_at',
-        'version_created_by_column' => 'version_created_by',
-        'version_comment_column' => 'version_comment',
-        'indices' => 'false',
-    ];
+    protected const DEFAULT_SYNCED_TABLE_SUFFIX = '_version';
+
+    /**
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::PARAMETER_KEY_SYNCED_TABLE
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNCED_TABLE = 'version_table';
+
+    /**
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::PARAMETER_KEY_SYNCED_PHPNAME
+     *
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNCED_PHPNAME = 'version_phpname';
+
+    /**
+     * @var string
+     */
+    public const PARAMETER_KEY_SYNC_INDEXES = 'indices';
 
     /**
      * @var \Propel\Generator\Model\Table
@@ -58,73 +68,101 @@ class VersionableBehavior extends Behavior
     protected $tableModificationOrder = 80;
 
     /**
+     * @see \Propel\Generator\Behavior\SyncedTable\SyncedTableBehavior::getDefaultParameters()
+     *
+     * @return array
+     */
+    protected function getDefaultParameters(): array
+    {
+        return [
+            'version_column' => 'version',
+            static::PARAMETER_KEY_SYNCED_TABLE => '',
+            static::PARAMETER_KEY_SYNCED_PHPNAME => null,
+            static::PARAMETER_KEY_SYNC => 'false',
+            static::PARAMETER_KEY_INHERIT_FOREIGN_KEY_RELATIONS => 'false',
+            static::PARAMETER_KEY_INHERIT_FOREIGN_KEY_CONSTRAINTS => 'false',
+            static::PARAMETER_KEY_FOREIGN_KEYS => null,
+            static::PARAMETER_KEY_SYNC_INDEXES => 'false',
+            static::PARAMETER_KEY_SYNC_UNIQUE_AS => null,
+            static::PARAMETER_KEY_RELATION => [['onDelete' => 'cascade']],
+            static::PARAMETER_KEY_ON_SKIP_SQL => 'inherit',
+            'log_created_at' => 'false',
+            'log_created_by' => 'false',
+            'log_comment' => 'false',
+            'version_created_at_column' => 'version_created_at',
+            'version_created_by_column' => 'version_created_by',
+            'version_comment_column' => 'version_comment',
+        ];
+    }
+
+    /**
+     * @return \Propel\Generator\Model\Table
+     */
+    public function getVersionTable(): Table
+    {
+        return $this->syncedTable;
+    }
+
+    /**
+     * @param \Propel\Generator\Model\Table $table
+     *
      * @return void
      */
-    public function modifyDatabase(): void
+    protected function addBehaviorToTable(Table $table): void
     {
-        foreach ($this->getDatabase()->getTables() as $table) {
-            if ($table->hasBehavior($this->getId())) {
-                // don't add the same behavior twice
-                continue;
-            }
-            if (property_exists($table, 'isVersionTable')) {
-                // don't add the behavior to version tables
-                continue;
-            }
-            $b = clone $this;
-            $table->addBehavior($b);
+        if (property_exists($table, 'isVersionTable')) {
+            // don't add the behavior to version tables
+            return;
         }
+        parent::addBehaviorToTable($table);
     }
 
     /**
-     * @return void
+     * @return string|null
      */
-    public function modifyTable(): void
+    public function getSyncedTablePhpName(): ?string
     {
-        $this->addVersionColumn();
-        $this->addLogColumns();
-        $this->addVersionTable();
-        $this->addForeignKeyVersionColumns();
+        // required for BC
+        return parent::getSyncedTablePhpName() ?? $this->getTable()->getPhpName() . 'Version';
     }
 
     /**
      * @return void
      */
-    protected function addVersionColumn(): void
+    public function modifyTable(): void
     {
-        $table = $this->getTable();
-        // add the version column
-        if (!$table->hasColumn($this->getParameter('version_column'))) {
-            $table->addColumn([
-                'name' => $this->getParameter('version_column'),
-                'type' => 'INTEGER',
-                'default' => 0,
-            ]);
-        }
+        $this->addColumnsToSourceTable();
+        parent::modifyTable();
+        $this->addForeignKeyVersionColumns();
     }
 
     /**
      * @return void
      */
-    protected function addLogColumns(): void
+    protected function addColumnsToSourceTable(): void
     {
         $table = $this->getTable();
-        if ($this->getParameter('log_created_at') === 'true' && !$table->hasColumn($this->getParameter('version_created_at_column'))) {
-            $table->addColumn([
-                'name' => $this->getParameter('version_created_at_column'),
+
+        $this->addColumnFromParameterIfNotExists($table, 'version_column', [
+            'type' => 'INTEGER',
+            'default' => 0,
+        ]);
+
+        if ($this->getParameter('log_created_at') === 'true') {
+            $this->addColumnFromParameterIfNotExists($table, 'version_created_at_column', [
                 'type' => 'TIMESTAMP',
             ]);
         }
-        if ($this->getParameter('log_created_by') === 'true' && !$table->hasColumn($this->getParameter('version_created_by_column'))) {
-            $table->addColumn([
-                'name' => $this->getParameter('version_created_by_column'),
+
+        if ($this->getParameter('log_created_by') === 'true') {
+            $this->addColumnFromParameterIfNotExists($table, 'version_created_by_column', [
                 'type' => 'VARCHAR',
                 'size' => 100,
             ]);
         }
-        if ($this->getParameter('log_comment') === 'true' && !$table->hasColumn($this->getParameter('version_comment_column'))) {
-            $table->addColumn([
-                'name' => $this->getParameter('version_comment_column'),
+
+        if ($this->getParameter('log_comment') === 'true') {
+            $this->addColumnFromParameterIfNotExists($table, 'version_comment_column', [
                 'type' => 'VARCHAR',
                 'size' => 255,
             ]);
@@ -132,68 +170,24 @@ protected function addLogColumns(): void
     }
 
     /**
+     * @param \Propel\Generator\Model\Table $syncedTable
+     * @param bool $tableExistsInSchema
+     *
      * @return void
      */
-    protected function addVersionTable(): void
+    public function addTableElements(Table $syncedTable, bool $tableExistsInSchema): void
     {
-        $table = $this->getTable();
-        $database = $table->getDatabase();
-        $versionTableName = $this->getParameter('version_table') ?: ($table->getOriginCommonName() . '_version');
-        if (!$database->hasTable($versionTableName)) {
-            // create the version table
-            $versionTable = $database->addTable([
-                'name' => $versionTableName,
-                'phpName' => $this->getVersionTablePhpName(),
-                'package' => $table->getPackage(),
-                'schema' => $table->getSchema(),
-                'namespace' => $table->getNamespace() ? '\\' . $table->getNamespace() : null,
-                'skipSql' => $table->isSkipSql(),
-                'identifierQuoting' => $table->isIdentifierQuotingEnabled(),
-            ]);
-            $versionTable->isVersionTable = true;
-            // every behavior adding a table should re-execute database behaviors
-            foreach ($database->getBehaviors() as $behavior) {
-                $behavior->modifyDatabase();
-            }
-            // copy all the columns
-            foreach ($table->getColumns() as $column) {
-                $columnInVersionTable = clone $column;
-                $columnInVersionTable->clearInheritanceList();
-                if ($columnInVersionTable->hasReferrers()) {
-                    $columnInVersionTable->clearReferrers();
-                }
-                if ($columnInVersionTable->isAutoincrement()) {
-                    $columnInVersionTable->setAutoIncrement(false);
-                }
-                $versionTable->addColumn($columnInVersionTable);
-            }
-            // create the foreign key
-            $fk = new ForeignKey();
-            $fk->setForeignTableCommonName($table->getCommonName());
-            $fk->setForeignSchemaName($table->getSchema());
-            $fk->setOnDelete('CASCADE');
-            $fk->setOnUpdate(null);
-            $tablePKs = $table->getPrimaryKey();
-            foreach ($versionTable->getPrimaryKey() as $key => $column) {
-                $fk->addReference($column, $tablePKs[$key]);
-            }
-            $versionTable->addForeignKey($fk);
-
-            if ($this->getParameter('indices') === 'true') {
-                foreach ($table->getIndices() as $index) {
-                    $index = clone $index;
-                    $versionTable->addIndex($index);
-                }
-            }
+        parent::addTableElements($syncedTable, $tableExistsInSchema);
 
-            // add the version column to the primary key
-            $versionColumn = $versionTable->getColumn($this->getParameter('version_column'));
-            $versionColumn->setNotNull(true);
-            $versionColumn->setPrimaryKey(true);
-            $this->versionTable = $versionTable;
-        } else {
-            $this->versionTable = $database->getTable($versionTableName);
+        if ($tableExistsInSchema) {
+            return;
         }
+        $syncedTable->isVersionTable = true;
+
+        // add the version column to the primary key
+        $versionColumn = $syncedTable->getColumn($this->getParameter('version_column'));
+        $versionColumn->setNotNull(true);
+        $versionColumn->setPrimaryKey(true);
     }
 
     /**
@@ -201,54 +195,29 @@ protected function addVersionTable(): void
      */
     public function addForeignKeyVersionColumns(): void
     {
-        $versionTable = $this->versionTable;
+        $versionTable = $this->syncedTable;
         foreach ($this->getVersionableFks() as $fk) {
             $fkVersionColumnName = $fk->getLocalColumnName() . '_version';
-            if (!$versionTable->hasColumn($fkVersionColumnName)) {
-                $versionTable->addColumn([
-                    'name' => $fkVersionColumnName,
-                    'type' => 'INTEGER',
-                    'default' => 0,
-                ]);
-            }
+            TableSyncer::addColumnIfNotExists($versionTable, $fkVersionColumnName, [
+                'type' => 'INTEGER',
+                'default' => 0,
+            ]);
         }
 
         foreach ($this->getVersionableReferrers() as $fk) {
             $fkTableName = $fk->getTable()->getName();
             $fkIdsColumnName = $fkTableName . '_ids';
-            if (!$versionTable->hasColumn($fkIdsColumnName)) {
-                $versionTable->addColumn([
-                    'name' => $fkIdsColumnName,
-                    'type' => 'ARRAY',
-                ]);
-            }
+            TableSyncer::addColumnIfNotExists($versionTable, $fkIdsColumnName, [
+                'type' => 'ARRAY',
+            ]);
 
             $fkVersionsColumnName = $fkTableName . '_versions';
-            if (!$versionTable->hasColumn($fkVersionsColumnName)) {
-                $versionTable->addColumn([
-                    'name' => $fkVersionsColumnName,
-                    'type' => 'ARRAY',
-                ]);
-            }
+            TableSyncer::addColumnIfNotExists($versionTable, $fkVersionsColumnName, [
+                'type' => 'ARRAY',
+            ]);
         }
     }
 
-    /**
-     * @return \Propel\Generator\Model\Table
-     */
-    public function getVersionTable(): Table
-    {
-        return $this->versionTable;
-    }
-
-    /**
-     * @return string
-     */
-    public function getVersionTablePhpName(): string
-    {
-        return $this->getTable()->getPhpName() . 'Version';
-    }
-
     /**
      * @return list<\Propel\Generator\Model\ForeignKey>
      */
@@ -297,7 +266,7 @@ public function getReferrerIdsColumn(ForeignKey $fk): ?Column
         $fkTableName = $fk->getTable()->getName();
         $fkIdsColumnName = $fkTableName . '_ids';
 
-        return $this->versionTable->getColumn($fkIdsColumnName);
+        return $this->syncedTable->getColumn($fkIdsColumnName);
     }
 
     /**
@@ -310,7 +279,7 @@ public function getReferrerVersionsColumn(ForeignKey $fk): ?Column
         $fkTableName = $fk->getTable()->getName();
         $fkIdsColumnName = $fkTableName . '_versions';
 
-        return $this->versionTable->getColumn($fkIdsColumnName);
+        return $this->syncedTable->getColumn($fkIdsColumnName);
     }
 
     /**
diff --git a/src/Propel/Generator/Builder/Om/ObjectBuilder.php b/src/Propel/Generator/Builder/Om/ObjectBuilder.php
index 5eaf4b3b4..7b7b0f5d5 100644
--- a/src/Propel/Generator/Builder/Om/ObjectBuilder.php
+++ b/src/Propel/Generator/Builder/Om/ObjectBuilder.php
@@ -289,7 +289,7 @@ abstract class " . $this->getUnqualifiedClassName() . $parentClass . ' implement
      * Specifies the methods that are added as part of the basic OM class.
      * This can be overridden by subclasses that wish to add more methods.
      *
-     * @see ObjectBuilder::addClassBody()
+     * @see \Propel\Generator\Builder\Om\AbstractOMBuilder::addClassBody()
      *
      * @param string $script
      *
diff --git a/src/Propel/Generator/Model/Behavior.php b/src/Propel/Generator/Model/Behavior.php
index 0859dc0ab..5b6b60a51 100644
--- a/src/Propel/Generator/Model/Behavior.php
+++ b/src/Propel/Generator/Model/Behavior.php
@@ -275,7 +275,7 @@ public function getParameter(string $name)
      */
     public function parameterHasValue(string $paramName, $value): bool
     {
-        return $this->parameters[$paramName] === $value;
+        return ($this->parameters[$paramName] ?? null) === $value;
     }
 
     /**
diff --git a/src/Propel/Generator/Model/Index.php b/src/Propel/Generator/Model/Index.php
index 1a749c5af..ca60f0a02 100644
--- a/src/Propel/Generator/Model/Index.php
+++ b/src/Propel/Generator/Model/Index.php
@@ -227,6 +227,7 @@ public function setColumns(array $columns): void
     {
         $this->columns = [];
         $this->columnsSize = [];
+        $this->columnObjects = [];
         foreach ($columns as $column) {
             $this->addColumn($column);
         }
diff --git a/tests/Fixtures/bookstore/behavior-auditable-schema.xml b/tests/Fixtures/bookstore/behavior-auditable-schema.xml
new file mode 100644
index 000000000..b99b8ae3c
--- /dev/null
+++ b/tests/Fixtures/bookstore/behavior-auditable-schema.xml
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
+<database name="bookstore-behavior" defaultIdMethod="native" package="behavior.auditable" namespace="\Propel\Tests\Generator\Behavior\Auditable">
+
+  <table name="source_with_default_audit">
+    <column name="id" required="true" primaryKey="true" autoIncrement="true" type="INTEGER"/>
+    <column name="regular_column" type="VARCHAR" size="42"/>
+    <column name="ignored_column" type="VARCHAR" size="42"/>
+    <column name="omited_column" type="VARCHAR" size="42"/>
+    <column name="omited_type_column" type="CLOB"/>
+
+    <behavior name="auditable">
+        <parameter name="ignore_fields" value="ignored_column"/>
+        <parameter name="omit_value_fields" value="omited_column"/>
+        <parameter name="omit_value_types" value="CLOB"/>
+        <parameter name="omit_value" value="got changed"/>
+    </behavior>
+  </table>
+
+  <table name="source_with_complex_audit">
+    <column name="id" required="true" primaryKey="true" autoIncrement="true" type="INTEGER"/>
+    <column name="regular_column" type="VARCHAR" size="42"/>
+    <column name="ignored_column" type="VARCHAR" size="42"/>
+    <column name="omited_column" type="VARCHAR" size="42"/>
+    <column name="omited_type_column" type="BLOB"/>
+
+    <behavior name="auditable">
+
+        <!-- renames -->
+        <parameter name="table_name" value="le_complex_audit"/>
+        <parameter name="synced_phpname" value="LeAuditComplique"/>
+        <parameter name="id_field_name" value="le_id"/>
+        <parameter name="audited_at_field_name" value="le_at"/>
+        <parameter name="audit_event_field_name" value="le_when"/>
+        <parameter name="changed_values_field_name" value="le_changes"/>
+        <parameter name="column_prefix" value="le_source_"/>
+
+        <!-- additional data -->
+        <parameter-list name="columns">
+            <parameter-list-item>
+                <parameter name="name" value="fk_to_source_id"/>
+                <parameter name="type" value="integer"/>
+            </parameter-list-item>
+        </parameter-list>
+        <parameter-list name="foreign_keys">
+            <parameter-list-item>
+                <parameter name="name" value="LeFk" />
+                <parameter name="localColumn" value="fk_to_source_id" />
+                <parameter name="foreignTable" value="source_with_complex_audit" />
+                <parameter name="foreignColumn" value="id" />
+                <parameter name="phpName" value="ManualFk" />
+                <parameter name="refPhpName" value="ManualFk" />
+            </parameter-list-item>
+        </parameter-list>
+        <parameter name="add_aggregation_to_source" value="number_of_audits"/>
+
+        <!-- ignores/omits -->
+        <parameter name="ignore_fields" value="ignored_column"/>
+        <parameter name="omit_value_fields" value="omited_column"/>
+        <parameter name="omit_value_types" value="BLOB"/>
+        <parameter name="omit_value" value="got changed"/>
+
+        <!-- behavior -->
+        <parameter name="audit_on_insert" value="id"/>
+        <parameter name="audit_on_delete" value=""/>
+        <parameter name="cascade_delete" value=""/>
+    </behavior>
+  </table>
+
+
+</database>
diff --git a/tests/Propel/Tests/Generator/Behavior/Archivable/ArchivableBehaviorSyncTest.php b/tests/Propel/Tests/Generator/Behavior/Archivable/ArchivableBehaviorSyncTest.php
deleted file mode 100644
index 107823423..000000000
--- a/tests/Propel/Tests/Generator/Behavior/Archivable/ArchivableBehaviorSyncTest.php
+++ /dev/null
@@ -1,362 +0,0 @@
-<?php
-
-/*
- *	$Id$
- * This file is part of the Propel package.
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- *
- * @license MIT License
- */
-
-/**
- * MIT License. This file is part of the Propel package.
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Propel\Tests\Generator\Behavior\Archivable;
-
-use Exception;
-use Propel\Generator\Exception\EngineException;
-use Propel\Generator\Model\Database;
-use Propel\Generator\Model\Diff\TableComparator;
-use Propel\Generator\Model\Diff\TableDiff;
-use Propel\Generator\Platform\MysqlPlatform;
-use Propel\Generator\Util\QuickBuilder;
-use Propel\Tests\TestCase;
-
-/**
- * Tests the `sync` parameter of ArchivableBehavior, which automatically applies
- * changes to the source table to the archive table.
- */
-class ArchivableBehaviorSyncTest extends TestCase
-{
- /**
-  * @return array
-  */
-    public function syncTestDataProvider(): array
-    {
-        return [
-            [
-                // description
-                'Should sync columns',
-                //additional behavior parameters
-                '',
-                // source table columns: some columns
-                '
-                <column name="id" required="true" primaryKey="true" autoIncrement="true" type="INTEGER"/>
-                <column name="fk_column" type="INTEGER"/>
-                <column name="string_column" type="VARCHAR" size="42"/>
-                ',
-                // archive table input columns
-                '',
-                // auxiliary schema data
-                '',
-                // archive output columns
-                '
-                <column name="id" required="true" primaryKey="true" type="INTEGER"/>
-                <column name="fk_column" type="INTEGER"/>
-                <column name="string_column" type="VARCHAR" size="42"/>
-                ',
-            ], [
-                // description
-                'Cannot override columns declared on archive table',
-                //additional behavior parameters
-                '',
-                // source table columns: column with size 8
-                '<column name="string_column" type="VARCHAR" size="8"/>',
-                // archive table input columns: column with size 999
-                '<column name="string_column" type="VARCHAR" size="999"/>',
-                // auxiliary schema data
-                '',
-                // archive output columns
-                '<column name="string_column" type="VARCHAR" size="999"/>',
-            ], [
-                // description
-                'Should sync index',
-                //additional behavior parameters
-                '',
-                // source table columns: column with index
-                '
-                <column name="string_column" type="VARCHAR" size="42"/>
-                <index>
-                    <index-column name="string_column" />
-                </index>
-                ',
-                // archive table input columns
-                '',
-                // auxiliary schema data
-                '',
-                // archive output columns
-                '
-                <column name="string_column" type="VARCHAR" size="42"/>
-                <index name="archive_table_i_811f1f">
-                    <index-column name="string_column" />
-                </index>
-                ',
-            ], [
-                // description
-                'Should sync fk column without relation',
-                //additional behavior parameters
-                '',
-                // source table columns: column with fk
-                '
-                <column name="fk_column" type="INTEGER"/>
-                <foreign-key foreignTable="fk_table" name="LeFk">
-                    <reference local="fk_column" foreign="id"/>
-                </foreign-key>
-                ',
-                // archive table input columns
-                '',
-                // auxiliary schema data
-                '
-                <table name="fk_table">
-                    <column name="id" required="true" primaryKey="true" autoIncrement="true" type="INTEGER"/>
-                </table>
-                ',
-                // archive output columns
-                '<column name="fk_column" type="INTEGER"/>',
-            ], [
-                // description
-                'Should sync fk column with relation through parameter',
-                //additional behavior parameters
-                '<parameter name="inherit_foreign_key_constraints" value="true"/>',
-                // source table columns: column with fk
-                '
-                <column name="fk_column" type="INTEGER"/>
-                <foreign-key foreignTable="fk_table" name="LeFk">
-                    <reference local="fk_column" foreign="id"/>
-                </foreign-key>
-                ',
-                // archive table input columns
-                '',
-                // auxiliary schema data
-                '
-                <table name="fk_table">
-                    <column name="id" required="true" primaryKey="true" autoIncrement="true" type="INTEGER"/>
-                </table>
-                ',
-                // archive output columns
-                '
-                <column name="fk_column" type="INTEGER"/>
-                <foreign-key foreignTable="fk_table" name="LeFk">
-                    <reference local="fk_column" foreign="id"/>
-                </foreign-key>
-                ',
-            ], [
-                // description
-                'Behavior can override synced FKs',
-                //additional behavior parameters: inherit fks but override relation "LeName"
-                '
-                <parameter name="inherit_foreign_key_constraints" value="true"/>
-                <parameter-list name="foreign_keys">
-                    <parameter-list-item>
-                        <parameter name="name" value="LeName" />
-                        <parameter name="localColumn" value="fk_column" />
-                        <parameter name="foreignTable" value="new_table" />
-                        <parameter name="foreignColumn" value="id" />
-                    </parameter-list-item>
-                </parameter-list>
-                ',
-                // source table columns: column with fk
-                '
-                <column name="fk_column" type="INTEGER"/>
-                <foreign-key foreignTable="old_table" name="LeName">
-                    <reference local="fk_column" foreign="id"/>
-                </foreign-key>
-                ',
-                // archive table input columns
-                '',
-                // auxiliary schema data
-                '
-                <table name="old_table">
-                    <column name="id" type="INTEGER"/>
-                </table>
-                <table name="new_table">
-                    <column name="id" type="INTEGER"/>
-                </table>
-                ',
-                // archive output columns
-                '
-                <column name="fk_column" type="INTEGER"/>
-                <foreign-key foreignTable="new_table" name="LeName">
-                    <reference local="fk_column" foreign="id"/>
-                </foreign-key>
-                ',
-            ], [
-                // description
-                'Behavior cannot override FKs declared on archive table',
-                //additional behavior parameters: declare fk
-                '
-                <parameter-list name="foreign_keys">
-                    <parameter-list-item>
-                        <parameter name="name" value="LeName" />
-                        <parameter name="localColumn" value="fk_column" />
-                        <parameter name="foreignTable" value="new_table" />
-                        <parameter name="foreignColumn" value="id" />
-                    </parameter-list-item>
-                </parameter-list>
-                ',
-                // source table columns
-                '<column name="fk_column" type="INTEGER"/>',
-                // archive table input columns: fk conflicting with behavior fk
-                '
-                <column name="fk_column" type="INTEGER"/>
-                <foreign-key foreignTable="old_table" name="LeName">
-                    <reference local="fk_column" foreign="id"/>
-                </foreign-key>
-                ',
-                // auxiliary schema data
-                '
-                <table name="old_table">
-                    <column name="id" type="INTEGER"/>
-                </table>
-                <table name="new_table">
-                    <column name="id" type="INTEGER"/>
-                </table>
-                ',
-                // archive output columns: expect exception
-                EngineException::class,
-            ],
-        ];
-    }
-
-    /**
-     * @dataProvider syncTestDataProvider
-     *
-     * @param string $message
-     * @param string $behaviorAdditions
-     * @param string $sourceTableContentTags
-     * @param string $archiveTableInputTags
-     * @param string $auxiliaryTables
-     * @param string $archiveTableOutputTags
-     *
-     * @return void
-     */
-    public function testSync(
-        string $message,
-        string $behaviorAdditions,
-        string $sourceTableContentTags,
-        string $archiveTableInputTags,
-        string $auxiliaryTables,
-        string $archiveTableOutputTags
-    ) {
-        // source table: some columns
-        // archive table: empty
-        $schema = <<<EOT
-<database>
-    <table name="source_table">
-        <behavior name="archivable">
-            <parameter name="archive_table" value="archive_table"/>
-            <parameter name="log_archived_at" value="false"/>
-            <parameter name="sync" value="true"/>
-            $behaviorAdditions
-        </behavior>
-
-        $sourceTableContentTags
-
-    </table>
-    
-    $auxiliaryTables
-
-    <table name="archive_table">$archiveTableInputTags</table>
-</database>
-EOT;
-
-        // archive table: all columns plus archived_at
-        $expected = <<<EOT
-<database>
-    <table name="archive_table">
-    $archiveTableOutputTags
-    </table>
-
-    $auxiliaryTables
-</database>
-EOT;
-
-        if (class_exists($archiveTableOutputTags) && is_subclass_of($archiveTableOutputTags, Exception::class)) {
-            $this->expectException($archiveTableOutputTags);
-        }
-        $this->assertSchemaTableMatches($expected, $schema, 'archive_table', $message);
-    }
-
-    /**
-     * @param string $expectedTableXml
-     * @param string $schema
-     * @param string $tableName
-     * @param string|null $message
-     *
-     * @return void
-     */
-    protected function assertSchemaTableMatches(string $expectedTableXml, string $schema, string $tableName, ?string $message = null)
-    {
-        $expectedSchema = $this->buildSchema($expectedTableXml);
-        $expectedTable = $expectedSchema->getTable($tableName);
-
-        $actualSchema = $this->buildSchema($schema);
-        $actualTable = $actualSchema->getTable($tableName);
-
-        $diff = TableComparator::computeDiff($actualTable, $expectedTable);
-        if ($diff !== false) {
-            $message = $this->buildTestMessage($message, $diff, $expectedSchema, $actualSchema);
-            $this->fail($message);
-        }
-        $this->expectNotToPerformAssertions();
-    }
-
-    /**
-     * @param string $schema
-     *
-     * @return \Propel\Generator\Model\Database
-     */
-    protected function buildSchema(string $schema): Database
-    {
-        $builder = new QuickBuilder();
-        $builder->setSchema($schema);
-
-        return $builder->getDatabase();
-    }
-
-    /**
-     * @param string $inputMessage
-     * @param \Propel\Generator\Model\Diff\TableDiff $diff
-     * @param \Propel\Generator\Model\Database $expectedSchema
-     * @param \Propel\Generator\Model\Database $actualSchema
-     *
-     * @return string
-     */
-    protected function buildTestMessage(string $inputMessage, TableDiff $diff, Database $expectedSchema, Database $actualSchema)
-    {
-        $inputMessage ??= '';
-        $platform = new MysqlPlatform();
-        $sql = $platform->getModifyTableDDL($diff);
-
-        return <<<EOT
-$inputMessage
-
-Synced archive table not as expected:
-───────────────────────────────────────────────────────
-Diff summary:
-
-$diff
-
-───────────────────────────────────────────────────────
-DDL (MySQL) to turn actual table into expected table:
-
-$sql
-
-───────────────────────────────────────────────────────
-Expected database:
-
-$expectedSchema
-
-───────────────────────────────────────────────────────
-Actual database:
-
-$actualSchema
-───────────────────────────────────────────────────────
-
-EOT;
-    }
-}
diff --git a/tests/Propel/Tests/Generator/Behavior/Archivable/ArchivableBehaviorTest.php b/tests/Propel/Tests/Generator/Behavior/Archivable/ArchivableBehaviorTest.php
index 2299ed21f..d0ea270cf 100644
--- a/tests/Propel/Tests/Generator/Behavior/Archivable/ArchivableBehaviorTest.php
+++ b/tests/Propel/Tests/Generator/Behavior/Archivable/ArchivableBehaviorTest.php
@@ -25,7 +25,7 @@
 use Map\ArchivableTest4TableMap;
 use Map\ArchivableTest5TableMap;
 use Map\MyOldArchivableTest3TableMap;
-use Propel\Generator\Exception\SchemaException;
+use Propel\Generator\Behavior\SyncedTable\SyncedTableException;
 use Propel\Generator\Util\QuickBuilder;
 use Propel\Tests\TestCase;
 use function substr_count;
@@ -219,7 +219,6 @@ public function invalidFkTestDataProvider(): array
      */
     public function testMissingFkParametersThrowsException(string $description, string $parameters)
     {
-        //$this->markTestSkipped();
         $schema = <<<EOF
         <database name="archivable_behavior_test_0">
         
@@ -241,7 +240,7 @@ public function testMissingFkParametersThrowsException(string $description, stri
         $builder = new QuickBuilder();
         $builder->setSchema($schema);
 
-        $this->expectException(SchemaException::class);
+        $this->expectException(SyncedTableException::class);
         $builder->getDatabase();
     }
 
diff --git a/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableBehaviorDeclarationTest.php b/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableBehaviorDeclarationTest.php
new file mode 100644
index 000000000..0ed9dc2b3
--- /dev/null
+++ b/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableBehaviorDeclarationTest.php
@@ -0,0 +1,171 @@
+<?php
+
+/*
+ *	$Id$
+ * This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license MIT License
+ */
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Tests\Generator\Behavior\Auditable;
+
+use Propel\Generator\Behavior\SyncedTable\SyncedTableException;
+use Propel\Generator\Model\Column;
+use Propel\Generator\Model\PropelTypes;
+use Propel\Generator\Util\QuickBuilder;
+use Propel\Tests\TestCase;
+
+/**
+ */
+class AuditableBehaviorDeclarationTest extends TestCase
+{
+    /**
+     * @return void
+     */
+    public function testTableDefaults(): void
+    {
+        $schemaXml = <<<EOT
+        <database>
+            <table name="source_table">
+                <column name="int_col" type="INTEGER" primaryKey="true"/>
+
+                <behavior name="auditable"></behavior>
+            </table>
+        </database>
+EOT;
+        $builder = new QuickBuilder();
+        $builder->setSchema($schemaXml);
+
+        $database = $builder->getDatabase();
+        $table = $database->getTable('source_table_audit');
+        $this->assertNotNull($table, 'Audit table should have been created with expected name');
+        $fieldNames = array_map(fn(Column $col) => $col->getName(), $table->getColumns());
+        $expectedFieldNames = ['source_table_int_col', 'audit_id', 'audited_at', 'audit_event', 'internal_changed_values'];
+        $this->assertEquals($expectedFieldNames, $fieldNames);
+    }
+
+    /**
+     * @return void
+     */
+    public function testTableParameters(): void
+    {
+        $schemaXml = <<<EOT
+           <database>
+               <table name="source_table">
+                   <column name="int_col" type="INTEGER" primaryKey="true"/>
+   
+                   <behavior name="auditable">
+                        <parameter name="table_name" value="le_source_table_audit"/>
+                        <parameter name="id_field_name" value="le_id"/>
+                        <parameter name="audited_at_field_name" value="le_at"/>
+                        <parameter name="changed_values_field_name" value="le_changes"/>
+                        <parameter name="changed_values_field_type" value="CHAR"/>
+                        <parameter name="changed_values_field_size" value="2"/>
+                        <parameter name="column_prefix" value="source_"/>
+                        <parameter-list name="relation">
+                            <parameter-list-item>
+                                <parameter name="le_attribute" value="le_value"/>
+                            </parameter-list-item>
+                        </parameter-list>
+                   </behavior>
+               </table>
+           </database>
+   EOT;
+        $builder = new QuickBuilder();
+        $builder->setSchema($schemaXml);
+
+        $database = $builder->getDatabase();
+        $table = $database->getTable('le_source_table_audit');
+        $this->assertNotNull($table, 'Audit table should have been created with expected name');
+
+        $fieldNames = array_map(fn(Column $col) => $col->getName(), $table->getColumns());
+        $expectedFieldNames = ['source_int_col', 'le_id', 'le_at', 'audit_event', 'internal_le_changes'];
+        $this->assertEquals($expectedFieldNames, $fieldNames);
+
+        $changedValuesDomain = $table->getColumn('internal_le_changes')->getDomain();
+        $this->assertEquals(PropelTypes::CHAR, $changedValuesDomain->getType());
+        $this->assertEquals(2, $changedValuesDomain->getSize());
+
+        $relation = $table->getForeignKeys()[0];
+        $this->assertNotNull($relation);
+        $this->assertEquals('le_value', $relation->getAttribute('le_attribute'));
+    }
+
+    /**
+     * @return void
+     */
+    public function testSelectAuditedColumns(): void
+    {
+        $schemaXml = <<<EOT
+        <database>
+            <table name="table">
+                <column name="int_col" type="INTEGER" />
+                <column name="password" type="VARCHAR" />
+                <column name="blob_col" type="BLOB" />
+                <column name="changed_at" type="TIMESTAMP" />
+
+                <behavior name="auditable">
+                    <parameter name="ignore_fields" value="changed_at"/>
+                    <parameter name="omit_value_fields" value="password"/>
+                    <parameter name="omit_value_types" value="BLOB"/>
+                    <parameter name="omit_value" value="was changed"/>
+                </behavior>
+            </table>
+        </database>
+EOT;
+        $builder = new QuickBuilder();
+        $builder->setSchema($schemaXml);
+
+        $database = $builder->getDatabase();
+        $table = $database->getTable('table');
+        $behavior = $table->getBehavior('auditable');
+
+        $selected = $this->callMethod($behavior, 'selectAuditedFields');
+
+        $this->assertIsArray($selected);
+
+        $expected = [
+            ['column' => $table->getColumn('int_col'), 'isOmitted' => false],
+            ['column' => $table->getColumn('password'), 'isOmitted' => true],
+            ['column' => $table->getColumn('blob_col'), 'isOmitted' => true],
+        ];
+
+        $this->assertEqualsCanonicalizing($expected, $selected);
+    }
+
+
+    /**
+     * @return void
+     */
+    public function testCannotCombineCascadeParamterWithRelationArray(): void
+    {
+        $schemaXml = <<<EOT
+        <database>
+            <table name="table">
+                <column name="int_col" type="INTEGER" />
+                <behavior name="auditable">
+                    <parameter name="cascade_delete" value="true"/>
+                    <parameter-list name="relation">
+                        <parameter-list-item/>
+                    </parameter-list>
+                </behavior>
+            </table>
+        </database>
+EOT;
+        $builder = new QuickBuilder();
+        $builder->setSchema($schemaXml);
+
+        $this->expectException(SyncedTableException::class);
+        $this->expectExceptionMessage("Cannot combine parameter 'cascade_delete' with array input for relation ('relation') - set onDelete behavior in array.");
+        $builder->getDatabase();
+
+    }
+}
diff --git a/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableBehaviorTest.php b/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableBehaviorTest.php
new file mode 100644
index 000000000..b46712537
--- /dev/null
+++ b/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableBehaviorTest.php
@@ -0,0 +1,197 @@
+<?php
+
+/*
+ *	$Id$
+ * This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license MIT License
+ */
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Tests\Generator\Behavior\Auditable;
+
+use Propel\Tests\Generator\Behavior\Auditable\SourceWithComplexAudit;
+use Propel\Tests\Generator\Behavior\Auditable\SourceWithDefaultAudit;
+use Propel\Tests\TestCaseFixtures;
+
+/**
+ * @group database
+ */
+class AuditableBehaviorTest extends TestCaseFixtures
+{
+
+    /**
+     * @return void
+     */
+    public function testToArrayDoesNotExportInternalField(): void
+    {
+        $audit = new SourceWithDefaultAuditAudit();
+        $audit->setInternalChangedValues(['key' => 'val']);
+
+        $this->assertArrayNotHasKey('InternalChangedValues', $audit->toArray());
+    }
+
+    /**
+     * @return void
+     */
+    public function testDefaultAudits(): void
+    {
+        $auditableOperation = 0;
+        $source = AuditableObjectDataBuilder::createInitialSourceWithDefaultAudit();
+        $this->assertDefaultAuditMatchesSource($source, $auditableOperation++, 'insert', []);
+
+        AuditableObjectDataBuilder::updateDefaultColumns($source, 'update1');
+        $this->assertDefaultAuditMatchesSource($source, $auditableOperation++, 'update', [
+            'omited_column' => 'got changed',
+            'omited_type_column' => 'got changed',
+            'regular_column' => 'initial regular value',
+        ]);
+
+        AuditableObjectDataBuilder::updateDefaultColumns($source, 'update2', ['omited_column', 'omited_type_column']);
+        $this->assertDefaultAuditMatchesSource($source, $auditableOperation++, 'update', [
+            'regular_column' => 'update1 regular value',
+        ]);
+
+        $source->delete();
+        $this->assertDefaultAuditMatchesSource($source, $auditableOperation++, 'delete', [
+            'id' => $source->getId(),
+            'omited_column' => 'got changed',
+            'omited_type_column' => 'got changed',
+            'regular_column' => 'update2 regular value',
+        ]);
+    }
+
+    /**
+     * @return void
+     */
+    public function testComplexAudits(): void
+    {
+        $auditableOperation = 0;
+        $source = AuditableObjectDataBuilder::createInitialSourceWithComplexAudit();
+        $this->assertComplexAuditMatchesSource($source, $auditableOperation++, 'insert', []);
+
+        AuditableObjectDataBuilder::updateDefaultColumns($source, 'update1');
+        $this->assertComplexAuditMatchesSource($source, $auditableOperation++, 'update', [
+            'omited_column' => 'got changed',
+            'omited_type_column' => 'got changed',
+            'regular_column' => 'initial regular value',
+        ]);
+
+        AuditableObjectDataBuilder::updateDefaultColumns($source, 'update2', ['omited_column', 'omited_type_column']);
+        $this->assertComplexAuditMatchesSource($source, $auditableOperation++, 'update', [
+            'regular_column' => 'update1 regular value',
+        ]);
+
+        $source->delete();
+        $this->assertComplexAuditMatchesSource($source, $auditableOperation++, 'delete', [
+            'id' => $source->getId(),
+            'omited_column' => 'got changed',
+            'omited_type_column' => 'got changed',
+            'regular_column' => 'update2 regular value',
+        ]);
+    }
+
+    /**
+     * @return void
+     */
+    public function testRestoreAudit(): void
+    {
+        $source = AuditableObjectDataBuilder::createInitialSourceWithComplexAudit();
+        $sourceId = $source->getId();
+        AuditableObjectDataBuilder::updateDefaultColumns($source, 'update1');
+        AuditableObjectDataBuilder::updateDefaultColumns($source, 'update2', ['omited_column', 'omited_type_column']);
+        $source->delete();
+        $audit = $source->restoreAudit();
+        $changedValues = array_map(fn($audit) => $audit->getLeChanges(), $audit->getArrayCopy());
+
+        $expectedChanges = [
+            [
+                'id' => $sourceId,
+                'regular_column' => 'update2 regular value',
+                'omited_column' => 'got changed',
+                'omited_type_column' => 'got changed',
+            ],
+            [
+                'regular_column' => 'update2 regular value',
+            ],
+            [
+                'regular_column' => 'update1 regular value',
+                'omited_column' => 'got changed',
+                'omited_type_column' => 'got changed',
+            ],
+            [
+                'id' => $sourceId,
+                'regular_column' => 'initial regular value',
+                'omited_column' => 'got changed',
+                'omited_type_column' => 'got changed',
+            ]
+        ];
+
+        $this->assertSame($expectedChanges, $changedValues);
+    }
+
+    /**
+     * @param SourceWithDefaultAudit $source
+     * @param int $auditNumber
+     * @param string $event
+     * @param array $changedValues
+     * 
+     * @return void
+     */
+    public function assertDefaultAuditMatchesSource(SourceWithDefaultAudit $source, int $auditNumber, string $event, array $changedValues): void
+    {
+        $audits = $source->getSourceWithDefaultAuditAudits();
+        $this->assertCount($auditNumber + 1, $audits);
+        $audit = $audits[$auditNumber];
+        $audit->reload();
+        $expectedExport = [
+            'SourceWithDefaultAuditId' => $source->getId(),
+            'AuditId' => $audit->getAuditId(),
+            'AuditedAt' => $audit->getAuditedAt('Y-m-d H:i:s.u'),
+            'AuditEvent' => $event,
+        ];
+        $this->assertSame($expectedExport, $audit->toArray());
+        $this->assertNotNull($audit->getAuditedAt(), 'Audit date should not be null');
+
+        $this->assertEqualsCanonicalizing($changedValues, $audit->getInternalChangedValues());
+    }
+
+    /**
+     * @param SourceWithComplexAudit $source
+     * @param int $auditNumber
+     * @param string $event
+     * @param array $changedValues
+     * 
+     * @return void
+     */
+    public function assertComplexAuditMatchesSource(SourceWithComplexAudit $source, int $auditNumber, string $event, array $changedValues): void
+    {
+        if ($event !== 'delete') {
+            $source->reload();
+        }
+        $this->assertEquals($auditNumber + 1, $source->getNumberOfAudits());
+
+        $audits = $source->getLeAuditCompliquesRelatedByLeSourceId();
+        $this->assertCount($auditNumber + 1, $audits);
+        $audit = $audits[$auditNumber];
+        $audit->reload();
+
+        $expectedExport = [
+            'LeSourceId' => $source->getId(),
+            'LeId' => $audit->getLeId(),
+            'FkToSourceId' => null,
+            'LeAt' => $audit->getLeAt('Y-m-d H:i:s.u'),
+            'LeWhen' => $event,
+        ];
+        $this->assertSame($expectedExport, $audit->toArray());
+        $this->assertInstanceOf(\DateTime::class, $audit->getLeAt(), 'Audit date should not be null');
+        $this->assertEqualsCanonicalizing($changedValues, $audit->getInternalLeChanges());
+    }
+}
diff --git a/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableObjectDataBuilder.php b/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableObjectDataBuilder.php
new file mode 100644
index 000000000..a0ec8aeaa
--- /dev/null
+++ b/tests/Propel/Tests/Generator/Behavior/Auditable/AuditableObjectDataBuilder.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ *	$Id$
+ * This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license MIT License
+ */
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Tests\Generator\Behavior\Auditable;
+
+use Propel\Tests\Generator\Behavior\Auditable\SourceWithDefaultAudit;
+
+/**
+ */
+class AuditableObjectDataBuilder
+{
+    /**
+     * @param string $updateId
+     * 
+     * @return SourceWithDefaultAudit
+     */
+    public static function createInitialSourceWithDefaultAudit(string $updateId = 'initial'): SourceWithDefaultAudit
+    {
+        $source = new SourceWithDefaultAudit();
+        static::updateDefaultColumns($source, 'initial');
+
+        return $source;
+    }
+
+    /**
+     * @param string $updateId
+     * 
+     * @return SourceWithComplexAudit
+     */
+    public static function createInitialSourceWithComplexAudit(string $updateId = 'initial'): SourceWithComplexAudit
+    {
+        $source = new SourceWithComplexAudit();
+        static::updateDefaultColumns($source, 'initial');
+
+        return $source;
+    }
+
+    /**
+     * @param SourceWithDefaultAudit|SourceWithComplexAudit $source
+     * @param string $updateId
+     * @param array $skipColumns
+     * 
+     * @return void
+     */
+    public static function updateDefaultColumns($source, string $updateId, array $skipColumns = []): void
+    {
+        in_array('regular_column', $skipColumns) || $source->setRegularColumn($updateId . ' regular value');
+        in_array('ignored_column', $skipColumns) || $source->setIgnoredColumn($updateId . ' ignored value');
+        in_array('omited_column', $skipColumns) || $source->setOmitedColumn($updateId . ' omited value');
+        in_array('omited_type_column', $skipColumns) || $source->setOmitedTypeColumn(fopen('data://text/plain,' . $updateId . ' omited type', 'r'));
+        $source->save();
+    }
+}
diff --git a/tests/Propel/Tests/Generator/Behavior/ConfigStore/ConfigOperationBehaviorTest.php b/tests/Propel/Tests/Generator/Behavior/ConfigStore/ConfigOperationBehaviorTest.php
new file mode 100644
index 000000000..f7d9ce65c
--- /dev/null
+++ b/tests/Propel/Tests/Generator/Behavior/ConfigStore/ConfigOperationBehaviorTest.php
@@ -0,0 +1,211 @@
+<?php
+
+/*
+ *	$Id$
+ * This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license MIT License
+ */
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Tests\Generator\Behavior\ConfigStore;
+
+use Propel\Generator\Behavior\AutoAddPk\AutoAddPkBehavior;
+use Propel\Generator\Behavior\ConfigStore\ConfigurationItem;
+use Propel\Generator\Behavior\ConfigStore\ConfigurationStore;
+use Propel\Generator\Exception\SchemaException;
+use Propel\Generator\Model\Database;
+use Propel\Generator\Util\QuickBuilder;
+use Propel\Tests\TestCase;
+
+/**
+ */
+class ConfigOperationBehaviorTest extends TestCase
+{
+    public function tearDown(): void
+    {
+        $this->setStoredConfigurations();
+    }
+
+    /**
+     * @return void
+     */
+    public function testStoreConfiguration(): void
+    {
+        $schemaXml = <<<EOT
+        <database>
+            <behavior name="config_store" behavior="foo" id="foo_conf" additional="any">
+                <parameter name="param1" value="value1"/>
+            </behavior>
+        </database>
+EOT;
+        $this->buildSchemaXml($schemaXml);
+
+        $expected = [
+            'foo_conf' => new ConfigurationItem(
+                ['name' => 'foo', 'additional' => 'any'],
+                ['param1' => 'value1']
+            )
+        ];
+        $preconfigurations = $this->getStoredConfigurations();
+
+        $this->assertEquals($expected, $preconfigurations);
+    }
+
+    /**
+     * @return void
+     */
+    public function testLoadBehavior(): void
+    {
+        $schemaXml = <<<EOT
+        <database>
+            <behavior
+                name="config_store"
+                behavior="auto_add_pk"
+                id="le_auto_add"
+                store_attribute="storeAttribute value"
+                override_attribute="inital attribute value"
+            >
+                <parameter name="param1" value="value1"/>
+                <parameter name="override parameter" value="inital parameter value"/>
+            </behavior>
+            <table name="table">
+                <behavior
+                    name="config_load"
+                    ref="le_auto_add"
+                    id="id1"
+                    load_attribute="loadAttribute value"
+                    override_attribute="overridden attribute value"
+                >
+                    <parameter name="param2" value="value2"/>
+                    <parameter name="override parameter" value="overridden parameter value"/>
+                </behavior>
+            </table>
+        </database>
+EOT;
+        $table = $this->buildSchemaXml($schemaXml)->getTable('table');
+        $behavior = $table->getBehavior('auto_add_pk');
+        $this->assertNotNull($behavior, 'Should have created behavior');
+
+        $expectedAttributes = [
+            'name' => 'auto_add_pk',
+            'store_attribute' => 'storeAttribute value',
+            'load_attribute' => 'loadAttribute value',
+            'override_attribute' => 'overridden attribute value'
+        ];
+        $this->assertEqualsCanonicalizing($expectedAttributes, $behavior->getAttributes(), 'Behavior should inherit attributes');
+
+        $expectedParameters = array_merge(
+            (new AutoAddPkBehavior())->getParameters(), // default parameters
+            [
+                'param1' => 'value1',
+                'param2' => 'value2',
+                'override parameter' => 'overridden parameter value',
+            ]
+        );
+        $this->assertEqualsCanonicalizing($expectedParameters, $behavior->getParameters(), 'Behavior should inherit parameters');
+
+        $this->assertNotNull($table->getColumn('id'), 'Should have applied behavior');
+    }
+
+    /**
+     * @return void
+     */
+    public function testStoreCannotOmitId(): void
+    {
+        $schemaXml = <<<EOT
+        <database>
+            <behavior name="config_store" behavior="foo"/>
+        </database>
+EOT;
+        $this->expectException(SchemaException::class);
+        $this->expectExceptionMessage('config_store behavior: required parameter \'id\' is missing.');
+        $this->buildSchemaXml($schemaXml);
+    }
+
+    /**
+     * @return void
+     */
+    public function testCannotStoreSameRefTwice(): void
+    {
+        $schemaXml = <<<EOT
+        <database>
+            <behavior name="config_store" behavior="foo" id="foo1"/>
+            <table name="table">
+                <behavior name="config_store" behavior="foo" id="foo1"/>
+            </table>
+        </database>
+EOT;
+        $this->expectException(SchemaException::class);
+        $this->expectExceptionMessage('config_store behavior for \'foo\': key \'foo1\' is already in use.');
+        $this->buildSchemaXml($schemaXml);
+    }
+
+    /**
+     * @return void
+     */
+    public function testLoadMultipleBehaviors(): void
+    {
+        $aggregateParams = '
+        <parameter name="name" value="agg_col" />
+        <parameter name="foreign_table" value="table" />
+        ';
+        $schemaXml = <<<EOT
+        <database>
+            <behavior name="config_store" behavior="aggregate_column" id="aggregate1">$aggregateParams</behavior>
+            <behavior name="config_store" behavior="aggregate_column" id="aggregate2">$aggregateParams</behavior>
+            <table name="table">
+                <behavior name="config_load" ref="aggregate1" id="b1" multiple="1" />
+                <behavior name="config_load" ref="aggregate1" id="b2" multiple="1" />
+                <behavior name="config_load" ref="aggregate2" id="b3" multiple="1" />
+            </table>
+        </database>
+EOT;
+        $database = $this->buildSchemaXml($schemaXml);
+        $behaviors = $database->getTable('table')->getBehaviors();
+        $loadedBehaviors = array_filter($behaviors, fn($key) => preg_match('/^aggregate[12]_[0-9a-f]{13}$/', $key), ARRAY_FILTER_USE_KEY);
+        $this->assertCount(3, $loadedBehaviors);
+    }
+
+    /**
+     * @return array
+     */
+    protected function getStoredConfigurations(): array
+    {
+        $class = new \ReflectionClass(ConfigurationStore::class);
+
+        return $class->getStaticPropertyValue('preconfigurations');
+    }
+
+    /**
+     * @param array
+     * 
+     * @return void
+     */
+    protected function setStoredConfigurations(array $configurations = []): void
+    {
+        $class = new \ReflectionClass(ConfigurationStore::class);
+
+        $class->setStaticPropertyValue('preconfigurations', $configurations);
+    }
+
+    /**
+     * @param string $schemaXml
+     * 
+     * @return Database
+     */
+    public function buildSchemaXml(string $schemaXml): Database
+    {
+        $builder = new QuickBuilder();
+        $builder->setSchema($schemaXml);
+
+        return $builder->getDatabase();
+    }
+}
diff --git a/tests/Propel/Tests/Generator/Behavior/SyncedTable/EmptyColumnAccessorsBehaviorTest.php b/tests/Propel/Tests/Generator/Behavior/SyncedTable/EmptyColumnAccessorsBehaviorTest.php
new file mode 100644
index 000000000..f0d5ef0df
--- /dev/null
+++ b/tests/Propel/Tests/Generator/Behavior/SyncedTable/EmptyColumnAccessorsBehaviorTest.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ *	$Id$
+ * This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license MIT License
+ */
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Tests\Generator\Behavior\SyncedTable;
+
+use Propel\Generator\Behavior\SyncedTable\EmptyColumnAccessorsBehavior;
+use Propel\Tests\TestCase;
+
+/**
+ */
+class EmptyColumnAccessorsBehaviorTest extends TestCase
+{
+    /**
+     * @return void
+     */
+    public function testBuildAccessorNames()
+    {
+        $behavior = new EmptyColumnAccessorsBehavior();
+        $accessors = $this->callMethod($behavior, 'buildAccessorNames', [['a_column', 'le_column']]);
+        $expected = ['getAColumn', 'setAColumn', 'getLeColumn', 'setLeColumn'];
+
+        $this->assertEqualsCanonicalizing($expected, $accessors);
+    }
+}
diff --git a/tests/Propel/Tests/Generator/Behavior/SyncedTable/SyncedTableBehaviorTest.php b/tests/Propel/Tests/Generator/Behavior/SyncedTable/SyncedTableBehaviorTest.php
new file mode 100644
index 000000000..5f7e4373c
--- /dev/null
+++ b/tests/Propel/Tests/Generator/Behavior/SyncedTable/SyncedTableBehaviorTest.php
@@ -0,0 +1,1027 @@
+<?php
+
+/*
+ *	$Id$
+ * This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license MIT License
+ */
+
+/**
+ * MIT License. This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Propel\Tests\Generator\Behavior\SyncedTable;
+
+use Exception;
+use Propel\Generator\Exception\EngineException;
+use Propel\Generator\Model\Database;
+use Propel\Generator\Model\Diff\TableComparator;
+use Propel\Generator\Model\Diff\TableDiff;
+use Propel\Generator\Platform\MysqlPlatform;
+use Propel\Generator\Util\QuickBuilder;
+use Propel\Tests\TestCase;
+
+/**
+ */
+class SyncedTableBehaviorTest extends TestCase
+{
+    /**
+     * @return array
+     */
+    public function syncTestDataProvider(): array
+    {
+        return [
+            [
+                // description
+                'Should sync columns',
+                //additional behavior parameters
+                '',
+                // source table columns: some columns
+                '
+                <column name="id" required="true" primaryKey="true" autoIncrement="true" type="INTEGER"/>
+                <column name="fk_column" type="INTEGER"/>
+                <column name="string_column" type="VARCHAR" size="42"/>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="id" required="true" primaryKey="true" type="INTEGER"/>
+                <column name="fk_column" type="INTEGER"/>
+                <column name="string_column" type="VARCHAR" size="42"/>
+                ',
+            ],
+            [
+                // description
+                'Cannot override columns declared on synced table',
+                //additional behavior parameters
+                '',
+                // source table columns: column with size 8
+                '<column name="string_column" type="VARCHAR" size="8"/>',
+                // synced table input columns: column with size 999
+                '<column name="string_column" type="VARCHAR" size="999"/>',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '<column name="string_column" type="VARCHAR" size="999"/>',
+            ],
+            [
+                // description
+                'Should sync index if requested',
+                //additional behavior parameters
+                '<parameter name="sync_indexes" value="true"/>',
+                // source table columns: column with index
+                '
+                <column name="string_column" type="VARCHAR" size="42"/>
+                <index>
+                    <index-column name="string_column" />
+                </index>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="string_column" type="VARCHAR" size="42"/>
+                <index>
+                    <index-column name="string_column" />
+                </index>
+                ',
+            ],
+            [
+                // description
+                'Syncing index can be enabled',
+                //additional behavior parameters
+                '<parameter name="sync_indexes" value="true"/>',
+                // source table columns: column with index
+                '
+                <column name="string_column" type="VARCHAR" size="42"/>
+                <index>
+                    <index-column name="string_column" />
+                </index>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="string_column" type="VARCHAR" size="42"/>
+                <index name="synced_table_i_811f1f">
+                    <index-column name="string_column" />
+                </index>
+                ',
+            ],
+            [
+                // description
+                'Should sync fk column without relation',
+                //additional behavior parameters
+                '',
+                // source table columns: column with fk
+                '
+                <column name="fk_column" type="INTEGER"/>
+                <foreign-key foreignTable="fk_table" name="LeFk">
+                    <reference local="fk_column" foreign="id"/>
+                </foreign-key>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '
+                <table name="fk_table">
+                    <column name="id" required="true" primaryKey="true" autoIncrement="true" type="INTEGER"/>
+                </table>
+                ',
+                // synced output columns
+                '<column name="fk_column" type="INTEGER"/>',
+            ],
+            [
+                // description
+                'Should sync fk column with relation through parameter',
+                //additional behavior parameters
+                '<parameter name="inherit_foreign_key_constraints" value="true"/>',
+                // source table columns: column with fk
+                '
+                <column name="fk_column" type="INTEGER"/>
+                <foreign-key foreignTable="fk_table" name="LeFk">
+                    <reference local="fk_column" foreign="id"/>
+                </foreign-key>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '
+                <table name="fk_table">
+                    <column name="id" required="true" primaryKey="true" autoIncrement="true" type="INTEGER"/>
+                </table>
+                ',
+                // synced output columns
+                '
+                <column name="fk_column" type="INTEGER"/>
+                <foreign-key foreignTable="fk_table" name="LeFk">
+                    <reference local="fk_column" foreign="id"/>
+                </foreign-key>
+                ',
+            ],
+            [
+                // description
+                'Behavior can override synced FKs',
+                //additional behavior parameters: inherit fks but override relation "LeName"
+                '
+                <parameter name="inherit_foreign_key_constraints" value="true"/>
+                <parameter-list name="foreign_keys">
+                    <parameter-list-item>
+                        <parameter name="name" value="LeName" />
+                        <parameter name="localColumn" value="fk_column" />
+                        <parameter name="foreignTable" value="new_table" />
+                        <parameter name="foreignColumn" value="id" />
+                    </parameter-list-item>
+                </parameter-list>
+                ',
+                // source table columns: column with fk
+                '
+                <column name="fk_column" type="INTEGER"/>
+                <foreign-key foreignTable="old_table" name="LeName">
+                    <reference local="fk_column" foreign="id"/>
+                </foreign-key>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '
+                <table name="old_table">
+                    <column name="id" type="INTEGER"/>
+                </table>
+                <table name="new_table">
+                    <column name="id" type="INTEGER"/>
+                </table>
+                ',
+                // synced output columns
+                '
+                <column name="fk_column" type="INTEGER"/>
+                <foreign-key foreignTable="new_table" name="LeName">
+                    <reference local="fk_column" foreign="id"/>
+                </foreign-key>
+                ',
+            ],
+            [
+                // description
+                'Behavior cannot override FKs declared on synced table',
+                //additional behavior parameters: declare fk
+                '
+                <parameter-list name="foreign_keys">
+                    <parameter-list-item>
+                        <parameter name="name" value="LeName" />
+                        <parameter name="localColumn" value="fk_column" />
+                        <parameter name="foreignTable" value="new_table" />
+                        <parameter name="foreignColumn" value="id" />
+                    </parameter-list-item>
+                </parameter-list>
+                ',
+                // source table columns
+                '<column name="fk_column" type="INTEGER"/>',
+                // synced table input columns: fk conflicting with behavior fk
+                '
+                <column name="fk_column" type="INTEGER"/>
+                <foreign-key foreignTable="old_table" name="LeName">
+                    <reference local="fk_column" foreign="id"/>
+                </foreign-key>
+                ',
+                // auxiliary schema data
+                '
+                <table name="old_table">
+                    <column name="id" type="INTEGER"/>
+                </table>
+                <table name="new_table">
+                    <column name="id" type="INTEGER"/>
+                </table>
+                ',
+                    // synced output columns: expect exception
+                EngineException::class,
+            ],
+            [
+                // description
+                'Behavior does not sync unique indexes by default',
+                //additional behavior parameters
+                '',
+                // source table columns: column with uniques
+                '
+                <column name="col1" type="INTEGER" />
+                <column name="col2" type="INTEGER" />
+                <column name="col3" type="INTEGER" />
+                <unique>
+                    <unique-column name="col1" />
+                </unique>
+                <unique>
+                    <unique-column name="col2" />
+                    <unique-column name="col3" />
+                </unique>
+
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" />
+                <column name="col2" type="INTEGER" />
+                <column name="col3" type="INTEGER" />
+                ',
+            ],
+            [
+                // description
+                'Behavior syncs unique indexes as regular indexes if requested',
+                //additional behavior parameters
+                '<parameter name="sync_unique_as" value="index"/>',
+                // source table columns: column with uniques
+                '
+                <column name="col1" type="INTEGER" />
+                <column name="col2" type="INTEGER" />
+                <column name="col3" type="INTEGER" />
+                <unique>
+                    <unique-column name="col1" />
+                </unique>
+                <unique>
+                    <unique-column name="col2" />
+                    <unique-column name="col3" />
+                </unique>
+
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" />
+                <column name="col2" type="INTEGER" />
+                <column name="col3" type="INTEGER" />
+                <index>
+                    <index-column name="col1" />
+                </index>
+                <index>
+                    <index-column name="col2" />
+                    <index-column name="col3" />
+                </index>
+                ',
+            ],
+            [
+                // description
+                'Behavior syncs unique indexes as unique indexes if requested',
+                //additional behavior parameters
+                '<parameter name="sync_unique_as" value="unique"/>',
+                // source table columns: column with uniques
+                '
+                <column name="col1" type="INTEGER" />
+                <column name="col2" type="INTEGER" />
+                <column name="col3" type="INTEGER" />
+                <unique>
+                    <unique-column name="col1" />
+                </unique>
+                <unique>
+                    <unique-column name="col2" />
+                    <unique-column name="col3" />
+                </unique>
+
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" />
+                <column name="col2" type="INTEGER" />
+                <column name="col3" type="INTEGER" />
+                <unique>
+                    <unique-column name="col1" />
+                </unique>
+                <unique>
+                    <unique-column name="col2" />
+                    <unique-column name="col3" />
+                </unique>
+                ',
+            ],
+            [
+                // description
+                'Behavior can add pk',
+                //additional behavior parameters
+                '<parameter name="add_pk" value="true"/>',
+                // source table columns: column with index
+                '
+                <column name="col1" type="INTEGER" primaryKey="true"/>
+                <column name="col2" type="INTEGER" primaryKey="true"/>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" required="true"/>
+                <column name="col2" type="INTEGER" required="true"/>
+                <column name="id" type="INTEGER" primaryKey="true" autoIncrement="true" required="true"/>
+                ',
+            ],
+            [
+                // description
+                'Behavior can add renamed pk',
+                //additional behavior parameters
+                '<parameter name="add_pk" value="lePk"/>',
+                // source table columns: column with index
+                '',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="lePk" type="INTEGER" primaryKey="true" autoIncrement="true" required="true"/>
+                ',
+            ],
+            [
+                // description
+                'Behavior can add FK by parameter',
+                //additional behavior parameters
+                '
+                <parameter name="relation" value="true"/>
+                ',
+                // source table columns: column with index
+                '<column name="col1" type="INTEGER" primaryKey="true"/>',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" primaryKey="true"/>
+                <foreign-key foreignTable="source_table">
+                    <reference local="col1" foreign="col1"/>
+                </foreign-key>
+                ',
+            ],
+            [
+                // description
+                'Behavior can add FK by array',
+                //additional behavior parameters
+                '
+                <parameter-list name="relation">
+                    <parameter-list-item>
+                        <parameter name="onDelete" value="cascade" />
+                    </parameter-list-item>
+                </parameter-list>
+                ',
+                // source table columns: column with index
+                '<column name="col1" type="INTEGER" primaryKey="true"/>',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" primaryKey="true"/>
+                <foreign-key foreignTable="source_table" onDelete="cascade">
+                    <reference local="col1" foreign="col1"/>
+                </foreign-key>
+                ',
+            ],
+            [
+                // description
+                'Behavior can add cascading FK when changing id',
+                //additional behavior parameters
+                '
+                <parameter-list name="relation" value="true"/>
+                <parameter name="add_pk" value="lePk"/>
+                ',
+                // source table columns: column with index
+                '<column name="col1" type="INTEGER" primaryKey="true"/>',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" required="true"/>
+                <column name="lePk" type="INTEGER" primaryKey="true" autoIncrement="true" required="true"/>
+                <foreign-key foreignTable="source_table">
+                    <reference local="col1" foreign="col1"/>
+                </foreign-key>
+                ',
+            ],
+            [
+                // description
+                'Behavior ignores marked columns',
+                //additional behavior parameters
+                '
+                <parameter name="ignore_columns" value="col1,col3"/>
+                <parameter name="sync_indexes" value="true"/>
+                <parameter name="sync_unique_as" value="unique"/>
+                <parameter name="inherit_foreign_key_constraints" value="true"/>
+                ',
+                // source table columns
+                '
+                <column name="col1" type="INTEGER" />
+                <column name="col2" type="INTEGER" />
+                <column name="col3" type="INTEGER" />
+                <index>
+                    <index-column name="col1" />
+                </index>
+                <index>
+                    <index-column name="col1" />
+                    <index-column name="col3" />
+                </index>
+                <index>
+                    <index-column name="col1" />
+                    <index-column name="col2" />
+                    <index-column name="col3" />
+                </index>
+                <unique>
+                    <unique-column name="col1" />
+                </unique>
+                <unique>
+                    <unique-column name="col2" />
+                </unique>
+                <unique>
+                    <unique-column name="col2" />
+                    <unique-column name="col3" />
+                </unique>
+                <foreign-key foreignTable="fk_table" name="fk12">
+                    <reference local="col1" foreign="col1"/>
+                    <reference local="col2" foreign="col2"/>
+                </foreign-key>
+                <foreign-key foreignTable="fk_table" name="fk2">
+                    <reference local="col2" foreign="col2"/>
+                </foreign-key>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '
+                <table name="fk_table">
+                    <column name="col1" type="INTEGER"/>
+                    <column name="col2" type="INTEGER"/>
+                </table>
+                ',
+                // synced output columns
+                '
+                <column name="col2" type="INTEGER" />
+                <index>
+                    <index-column name="col2" />
+                </index>
+                <unique>
+                    <unique-column name="col2" />
+                </unique>
+                <foreign-key foreignTable="fk_table" name="fk2">
+                    <reference local="col2" foreign="col2"/>
+                </foreign-key>
+                ',
+            ],
+            [
+                // description
+                'Behavior can sync only PKs',
+                //additional behavior parameters
+                '
+                <parameter name="sync_pk_only" value="true"/>
+                ',
+                // source table columns
+                '
+                <column name="col1" type="INTEGER" primaryKey="true"/>
+                <column name="col2" type="INTEGER" primaryKey="true" />
+                <column name="col3" type="INTEGER" />
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" primaryKey="true"/>
+                <column name="col2" type="INTEGER" primaryKey="true" />
+                ',
+            ],
+            [
+                // description
+                'Behavior can sync reduced PKs',
+                //additional behavior parameters
+                '
+                <parameter name="sync_pk_only" value="true"/>
+                <parameter name="ignore_columns" value="col1"/>
+                ',
+                // source table columns
+                '
+                <column name="col1" type="INTEGER" primaryKey="true"/>
+                <column name="col2" type="INTEGER" primaryKey="true" />
+                <column name="col3" type="INTEGER" />
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col2" type="INTEGER" primaryKey="true"/>
+                ',
+            ],
+            [
+                // description
+                'Behavior can add columns',
+                //additional behavior parameters
+                '
+                <parameter-list name="columns">
+                    <parameter-list-item>
+                        <parameter name="name" value="added_col" />
+                        <parameter name="type" value="varchar" />
+                        <parameter name="size" value="42" />
+                        <parameter name="primaryKey" value="true" />
+                    </parameter-list-item>
+                </parameter-list>
+                ',
+                // source table columns
+                '
+                <column name="col1" type="INTEGER" primaryKey="true"/>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="col1" type="INTEGER" primaryKey="true"/>
+                <column name="added_col" type="VARCHAR" size="42" primaryKey="true"/>
+                ',
+            ],
+            [
+                // description
+                'Behavior prefixes synced columns',
+                //additional behavior parameters
+                '
+                <parameter name="column_prefix" value="asdf_"/>
+                <parameter name="sync_indexes" value="true"/>
+                <parameter name="sync_unique_as" value="unique"/>
+                <parameter name="inherit_foreign_key_constraints" value="true"/>
+                <parameter name="relation" value="true"/>
+                ',
+                // source table columns
+                '
+                <column name="col1" type="INTEGER" primaryKey="true" />
+                <column name="col2" type="INTEGER" />
+                <column name="col3" type="INTEGER" />
+                <index>
+                    <index-column name="col2" />
+                    <index-column name="col3" />
+                </index>
+                <unique>
+                    <unique-column name="col3" />
+                </unique>
+                <foreign-key foreignTable="fk_table" name="fk12">
+                    <reference local="col1" foreign="col1"/>
+                    <reference local="col2" foreign="col2"/>
+                </foreign-key>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '
+                <table name="fk_table">
+                    <column name="col1" type="INTEGER"/>
+                    <column name="col2" type="INTEGER"/>
+                </table>
+                ',
+                // synced output columns
+                '
+                <column name="asdf_col1" type="INTEGER" primaryKey="true" />
+                <column name="asdf_col2" type="INTEGER" />
+                <column name="asdf_col3" type="INTEGER" />
+                <index>
+                    <index-column name="asdf_col2" />
+                    <index-column name="asdf_col3" />
+                </index>
+                <unique>
+                    <unique-column name="asdf_col3" />
+                </unique>
+                <foreign-key foreignTable="fk_table" name="fk12">
+                    <reference local="asdf_col1" foreign="col1"/>
+                    <reference local="asdf_col2" foreign="col2"/>
+                </foreign-key>
+                <foreign-key foreignTable="source_table">
+                    <reference local="asdf_col1" foreign="col1"/>
+                </foreign-key>
+                ',
+            ],
+            [
+                // description
+                'Behavior prefixes synced columns with table name by default',
+                //additional behavior parameters
+                '
+                <parameter name="column_prefix" value="true"/>
+                ',
+                // source table columns
+                '
+                <column name="col1"/>
+                ',
+                // synced table input columns
+                '',
+                // auxiliary schema data
+                '',
+                // synced output columns
+                '
+                <column name="source_table_col1" />
+                ',
+            ],
+            [
+                // description
+                'Behavior can inherit from other table by table name',
+                //additional behavior parameters
+                '
+                <parameter name="inherit_from" value="base_table"/>
+                ',
+                // source table columns
+                '',
+                // synced table input columns
+                '
+                <column name="prev"/>
+                ',
+                // auxiliary schema data
+                '
+                <table name="base_table" skipSql="true">
+                    <column name="inherited_col"/>
+                </table>
+                ',
+                // synced output columns
+                '
+                <column name="prev"/>
+                <column name="inherited_col"/>
+                ',
+            ],
+            [
+                // description
+                'Behavior can inherit from other table by array',
+                //additional behavior parameters
+                '
+                <parameter-list name="inherit_from">
+                    <parameter-list-item>
+                        <parameter name="source_table" value="base_table" />
+                    </parameter-list-item>
+                </parameter-list>
+                ',
+                // source table columns
+                '',
+                // synced table input columns
+                '
+                <column name="prev"/>
+                ',
+                // auxiliary schema data
+                '
+                <table name="base_table" skipSql="true">
+                    <column name="inherited_col"/>
+                </table>
+                ',
+                // synced output columns
+                '
+                <column name="prev"/>
+                <column name="inherited_col"/>
+                ',
+            ],
+            [
+                // description
+                'Inheritance overrides defaults',
+                //additional behavior parameters
+                '
+                <parameter name="inherit_from" value="base_table"/>
+                ',
+                // source table columns
+                '
+                <column name="source_col"/>
+                <column name="overridden_col" type="INTEGER"/>
+                ',
+                // synced table input columns
+                '
+                ',
+                // auxiliary schema data
+                '
+                <table name="base_table" skipSql="true">
+                    <column name="overridden_col" type="JSON"/>
+                </table>
+                ',
+                // synced output columns
+                '
+                <column name="overridden_col" type="JSON"/>
+                <column name="source_col"/>
+                ',
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider syncTestDataProvider
+     *
+     * @param string $message
+     * @param string $behaviorAdditions
+     * @param string $sourceTableContentTags
+     * @param string $syncedTableInputTags
+     * @param string $auxiliaryTables
+     * @param string $syncedTableOutputTags
+     *
+     * @return void
+     */
+    public function testSync(
+        string $message,
+        string $behaviorAdditions,
+        string $sourceTableContentTags,
+        string $syncedTableInputTags,
+        string $auxiliaryTables,
+        string $syncedTableOutputTags
+    ) {
+        // source table: some columns
+        // synced table: empty
+        $inputSchemaXml = <<<EOT
+<database>
+    <table name="source_table">
+        <behavior name="synced_table">
+            <parameter name="table_name" value="synced_table"/>
+            $behaviorAdditions
+        </behavior>
+
+        $sourceTableContentTags
+
+    </table>
+    
+    $auxiliaryTables
+
+    <table name="synced_table">$syncedTableInputTags</table>
+</database>
+EOT;
+
+        // synced table: all columns
+        $expectedTableXml = <<<EOT
+<database>
+    <table name="source_table">
+        $sourceTableContentTags
+    </table>
+
+    <table name="synced_table">
+        $syncedTableOutputTags
+    </table>
+
+    $auxiliaryTables
+</database>
+EOT;
+
+        if (class_exists($syncedTableOutputTags) && is_subclass_of($syncedTableOutputTags, Exception::class)) {
+            $this->expectException($syncedTableOutputTags);
+        }
+        $this->assertSchemaTableMatches($expectedTableXml, $inputSchemaXml, 'synced_table', $message);
+    }
+
+    /**
+     * @return void
+     */
+    public function testNoSyncByDefaultIfParentSkipsSql(): void
+    {
+        $inputSchemaXml = <<<EOT
+<database>
+    <table name="source_table1" skipSql="true">
+        <behavior name="synced_table"/>
+    </table>
+
+    <table name="source_table2" skipSql="true">
+        <behavior name="synced_table">
+            <parameter name="on_skip_sql" value="omit"/>
+        </behavior>
+    </table>
+</database>
+EOT;
+        $db = $this->buildSchema($inputSchemaXml);
+        $this->assertcount(2, $db->getTables());
+        $this->assertNull($db->getTable('source_table1_synced'));
+        $this->assertNull($db->getTable('source_table2_synced'));
+    }
+
+    /**
+     * @return void
+     */
+    public function testInheritSkipsSql(): void
+    {
+        $inputSchemaXml = <<<EOT
+<database>
+    <table name="source_table1" skipSql="true">
+        <behavior name="synced_table">
+            <parameter name="on_skip_sql" value="inherit"/>
+        </behavior>
+    </table>
+    <table name="source_table2">
+        <behavior name="synced_table">
+            <parameter name="on_skip_sql" value="inherit"/>
+        </behavior>
+    </table>
+</database>
+EOT;
+        $db = $this->buildSchema($inputSchemaXml);
+
+        $syncedTable1 = $db->getTable('source_table1_synced');
+        $this->assertNotNull($syncedTable1, 'Should create synced table 1');
+        $this->assertTrue($syncedTable1->isSkipSql(), 'Should inherit skipSql="true"');
+
+        $syncedTable2 = $db->getTable('source_table2_synced');
+        $this->assertNotNull($syncedTable2, 'Should create synced table 2');
+        $this->assertFalse($syncedTable2->isSkipSql(), 'Should inherit skipSql="false"');
+    }
+
+    /**
+     * @return void
+     */
+    public function testIgnoreSkipsSql(): void
+    {
+        $inputSchemaXml = <<<EOT
+<database>
+    <table name="source_table" skipSql="true">
+        <behavior name="synced_table">
+            <parameter name="on_skip_sql" value="ignore"/>
+        </behavior>
+    </table>
+</database>
+EOT;
+        $db = $this->buildSchema($inputSchemaXml);
+
+        $syncedTable = $db->getTable('source_table_synced');
+        $this->assertNotNull($syncedTable, 'Should create synced table');
+        $this->assertFalse($syncedTable->isSkipSql(), 'Should ignore skipSql="true"');
+    }
+
+    /**
+     * @return void
+     */
+    public function testSetTableAttributes(): void
+    {
+        $inputSchemaXml = <<<EOT
+<database>
+    <table name="source_table">
+        <behavior name="synced_table">
+            <parameter-list name="table_attributes">
+                <parameter-list-item>
+                    <parameter name="foo" value="bar"/>
+                </parameter-list-item>
+            </parameter-list>
+        </behavior>
+    </table>
+</database>
+EOT;
+        $db = $this->buildSchema($inputSchemaXml);
+
+        $syncedTable = $db->getTable('source_table_synced');
+        $this->assertArrayHasKey('foo', $syncedTable->getAttributes());
+        $this->assertSame('bar', $syncedTable->getAttribute('foo'));
+    }
+
+    /**
+     * @return void
+     */
+    public function testCreatFkRelationWithoutConstraint(): void
+    {
+        $inputSchemaXml = <<<EOT
+<database>
+    <table name="source_table">
+        <behavior name="synced_table">
+            <parameter name="relation" value="skipSql"/>
+        </behavior>
+    </table>
+</database>
+EOT;
+        $db = $this->buildSchema($inputSchemaXml);
+
+        $syncedTable = $db->getTable('source_table_synced');
+        $fks = $syncedTable->getForeignKeys();
+        $this->assertCount(1, $fks);
+        $relation = reset($fks);
+        $this->assertTrue($relation->isSkipSql());
+    }
+
+
+    /**
+     * @param string $expectedTableXml
+     * @param string $schema
+     * @param string $tableName
+     * @param string|null $message
+     *
+     * @return void
+     */
+    protected function assertSchemaTableMatches(string $expectedTableXml, string $inputSchemaXml, string $tableName, ?string $message = null)
+    {
+        $expectedDb = $this->buildSchema($expectedTableXml);
+        $expectedTable = $expectedDb->getTable($tableName);
+
+        $actualDb = $this->buildSchema($inputSchemaXml);
+        $actualTable = $actualDb->getTable($tableName);
+
+        $diff = TableComparator::computeDiff($actualTable, $expectedTable);
+        if ($diff !== false) {
+            $message = $this->buildTestMessage($message, $diff, $expectedDb, $actualDb);
+            $this->fail($message);
+        }
+        $this->expectNotToPerformAssertions();
+    }
+
+    /**
+     * @param string $schema
+     *
+     * @return \Propel\Generator\Model\Database
+     */
+    protected function buildSchema(string $schema): Database
+    {
+        $builder = new QuickBuilder();
+        $builder->setSchema($schema);
+
+        return $builder->getDatabase();
+    }
+
+    /**
+     * @param string $inputMessage
+     * @param \Propel\Generator\Model\Diff\TableDiff $diff
+     * @param \Propel\Generator\Model\Database $expectedDb
+     * @param \Propel\Generator\Model\Database $actualDb
+     *
+     * @return string
+     */
+    protected function buildTestMessage(string $inputMessage, TableDiff $diff, Database $expectedDb, Database $actualDb)
+    {
+        $inputMessage ??= '';
+        $platform = new MysqlPlatform();
+        $sql = $platform->getModifyTableDDL($diff);
+
+        return <<<EOT
+$inputMessage
+
+Synced table not as expected:
+───────────────────────────────────────────────────────
+Diff summary:
+
+$diff
+
+───────────────────────────────────────────────────────
+DDL (MySQL) to turn actual table into expected table:
+
+$sql
+
+───────────────────────────────────────────────────────
+Expected database:
+
+$expectedDb
+
+───────────────────────────────────────────────────────
+Actual database:
+
+$actualDb
+───────────────────────────────────────────────────────
+
+EOT;
+    }
+}