Add comments to user-defined template attributes You can add your own comments to the user-defined attibutes in the Template Editor attribute tree. Open your copy of the contentattributes_userdefined.lst file. For example, MY_contentattributes_userdefined.lst. Do not modify the original contentattributes_userdefined.lst file. Scroll down to the list of attributes assigned to content types. Add your comment inside quotation marks, after the attribute name. For example: Save the changes. The comment you added is displayed in the attribute tree in Template Editor: See also User-defined template attributes