Validating the Featured Image

summary this article describes how to use the featured image meta information validation feature within purple hub the feature ensures that custom fields (such as copyright ownership) are filled in for images used as featured images of articles, and that articles have a featured image in the first place preconditions have an admin role in purple hub have a field group and a custom field defined that applies to images see create custom fields in purple hub docid\ sfolj8v8qcn3m3jibzbuk have the name of your custom field by hand (e g , 'imagecredits' or 'medialibrarycopyrightowner') that need validation or have the purple dam plugin active with exif and/or iptc data enbaled navigate to the purple settings page, and find the settings for featured image validations there the settings are close by the ones for character limits in purple hub docid 0wb10t wxgg8znybqkg select the first checkbox if you want to enforce that every article has a featured image selected select "featured image caption is required" and/or "featured image alt text is required" if you want to enforce the caption or alt text for every article that has a featured image selected paste in the names of your acf fields in the second setting text box, separated by commas this setting works similarly to the same one on image blocks see validating image blocks and meta information docid\ vgo21vthhxsslf1yz3xu9 if either of these validations fail, a red error banner is shown in the editor, and publishing the article will not be possible results in the editor