#-- Available objects : - String document The HTML code for the document (Xsl transformation result) - String portlet The HTML code for documents list portlet containing the document - String categories The HTML code for category list portlet linked with the document - String document_comments The HTML code for the comments area - String document_id The document id - String portlet_id The portlet id - DocumentPublication publication The publication object. How to display the date publication : ${publication.datePublishing?date} or ${publication.datePublishing?datetime} --> <#if isExtendInstalled?? && isExtendInstalled> @ExtenderParameter[${document_id},document,opengraph]@ #if>