ext_emconf.php

<?php

$EM_CONF['contacts'] = [
    'title' => 'Contacts',
    'description' => 'Contacts can handle persons and companies and relations to each other. With multiple addresses and phone numbers Contacts can be a modern replacement for tt_address.',
    'category' => 'plugin',
    'author' => 'Daniel Gohlke',
    'author_email' => 'ext.contacts@extco.de',
    'author_company' => 'extco.de UG (haftungsbeschränkt)',
    'shy' => '',
    'priority' => '',
    'module' => '',
    'state' => 'stable',
    'internal' => '',
    'uploadfolder' => '0',
    'createDirs' => '',
    'modify_tables' => '',
    'clearCacheOnLoad' => 0,
    'lockType' => '',
    'version' => '4.1.0',
    'constraints' => [
        'depends' => [
            'typo3' => '10.4.0-11.5.99',
        ],
        'conflicts' => [],
        'suggests' => [],
    ],
];