<?php (function (string $extensionKey, string $tableName) { $languagePath = 'LLL:EXT:' . $extensionKey . '/Resources/Private/Language/locallang_tca.xlf:' . $tableName . '.'; \TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule($GLOBALS['TCA'][$tableName], [ 'columns' => [ 'youtube' => [ 'label' => $languagePath . 'youtube', 'config' => [ 'type' => 'input', 'eval' => 'trim', ], ], 'poster' => [ 'label' => $languagePath . 'poster', 'config' => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::getFileFieldTCAConfig( 'poster', [ 'maxitems' => 1, ], $GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext'] ), ], ], ]); \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addToAllTCAtypes( $tableName, 'youtube, poster', '', 'after:title' ); })('ds_site', 'sys_file_metadata');