diff --git a/airbyte-data/src/main/kotlin/io/airbyte/data/services/ConnectionTimelineEventService.kt b/airbyte-data/src/main/kotlin/io/airbyte/data/services/ConnectionTimelineEventService.kt
index 43e35a4c7c4..8d6f8f0c112 100644
--- a/airbyte-data/src/main/kotlin/io/airbyte/data/services/ConnectionTimelineEventService.kt
+++ b/airbyte-data/src/main/kotlin/io/airbyte/data/services/ConnectionTimelineEventService.kt
@@ -1,7 +1,12 @@
 package io.airbyte.data.services
 
 import io.airbyte.data.repositories.entities.ConnectionTimelineEvent
+import io.airbyte.data.services.shared.ConnectionEvent
+import java.util.UUID
 
 interface ConnectionTimelineEventService {
-  fun writeEvent(event: ConnectionTimelineEvent): ConnectionTimelineEvent
+  fun writeEvent(
+    connectionId: UUID,
+    event: ConnectionEvent,
+  ): ConnectionTimelineEvent
 }
diff --git a/airbyte-data/src/main/kotlin/io/airbyte/data/services/impls/data/ConnectionTimelineEventServiceImpl.kt b/airbyte-data/src/main/kotlin/io/airbyte/data/services/impls/data/ConnectionTimelineEventServiceImpl.kt
index 9c73e088b38..732d317de76 100644
--- a/airbyte-data/src/main/kotlin/io/airbyte/data/services/impls/data/ConnectionTimelineEventServiceImpl.kt
+++ b/airbyte-data/src/main/kotlin/io/airbyte/data/services/impls/data/ConnectionTimelineEventServiceImpl.kt
@@ -1,13 +1,26 @@
 package io.airbyte.data.services.impls.data
 
+import com.fasterxml.jackson.databind.ObjectMapper
 import io.airbyte.data.repositories.ConnectionTimelineEventRepository
 import io.airbyte.data.repositories.entities.ConnectionTimelineEvent
 import io.airbyte.data.services.ConnectionTimelineEventService
+import io.airbyte.data.services.shared.ConnectionEvent
 import jakarta.inject.Singleton
+import java.util.UUID
 
 @Singleton
 class ConnectionTimelineEventServiceImpl(private val repository: ConnectionTimelineEventRepository) : ConnectionTimelineEventService {
-  override fun writeEvent(event: ConnectionTimelineEvent): ConnectionTimelineEvent {
+  override fun writeEvent(
+    connectionId: UUID,
+    connectionEvent: ConnectionEvent,
+  ): ConnectionTimelineEvent {
+    val serializedEvent = MAPPER.writeValueAsString(connectionEvent)
+    val event =
+      ConnectionTimelineEvent(null, connectionId, connectionEvent.getUserId(), connectionEvent.getEventType().toString(), serializedEvent, null)
     return repository.save(event)
   }
+
+  companion object {
+    private val MAPPER = ObjectMapper()
+  }
 }
diff --git a/airbyte-data/src/main/kotlin/io/airbyte/data/services/shared/ConnectionEvent.kt b/airbyte-data/src/main/kotlin/io/airbyte/data/services/shared/ConnectionEvent.kt
new file mode 100644
index 00000000000..eb7dbf9c1b0
--- /dev/null
+++ b/airbyte-data/src/main/kotlin/io/airbyte/data/services/shared/ConnectionEvent.kt
@@ -0,0 +1,15 @@
+package io.airbyte.data.services.shared
+
+import java.util.UUID
+
+interface ConnectionEvent {
+  enum class Type {
+    SYNC_SUCCEEDED,
+  }
+
+  fun getUserId(): UUID? {
+    return null
+  }
+
+  fun getEventType(): Type
+}
diff --git a/airbyte-data/src/main/kotlin/io/airbyte/data/services/shared/SyncSucceededEvent.kt b/airbyte-data/src/main/kotlin/io/airbyte/data/services/shared/SyncSucceededEvent.kt
new file mode 100644
index 00000000000..a65d1674ba4
--- /dev/null
+++ b/airbyte-data/src/main/kotlin/io/airbyte/data/services/shared/SyncSucceededEvent.kt
@@ -0,0 +1,38 @@
+package io.airbyte.data.services.shared
+
+class SyncSucceededEvent(
+  private val jobId: Long,
+  private val startTimeEpochSeconds: Long,
+  private val endTimeEpochSeconds: Long,
+  private val bytesLoaded: Long,
+  private val recordsLoaded: Long,
+  private val attemptsCount: Int,
+) : ConnectionEvent {
+  fun startTimeEpochSeconds(): Long {
+    return this.startTimeEpochSeconds
+  }
+
+  fun endTimeEpochSeconds(): Long {
+    return endTimeEpochSeconds
+  }
+
+  fun getJobId(): Long {
+    return jobId
+  }
+
+  fun getBytesLoaded(): Long {
+    return bytesLoaded
+  }
+
+  fun getRecordsLoaded(): Long {
+    return recordsLoaded
+  }
+
+  fun getAttemptsCount(): Int {
+    return attemptsCount
+  }
+
+  override fun getEventType(): ConnectionEvent.Type {
+    return ConnectionEvent.Type.SYNC_SUCCEEDED
+  }
+}