.. include:: /Includes.rst.txt .. _columns-file-properties-allowed: ======= allowed ======= .. confval:: allowed (type => file) :Path: $GLOBALS['TCA'][$table]['columns'][$field]['config'] :type: string / array :Scope: Proc. / Display One of the following reserved strings: `common-image-types` Gets replaced with the value from :php:`$GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext']`. `common-text-types` Gets replaced with the value from :php:`$GLOBALS['TYPO3_CONF_VARS']['SYS']['textfile_ext']`. `common-media-types` Gets replaced with the value from :php:`$GLOBALS['TYPO3_CONF_VARS']['SYS']['mediafile_ext']`. or an array of allowed file endings, for example :php:`['jpg','png','svg']`.