do_action( 'admin_xml_ns' ) Fires inside the HTML tag in the admin header. ContentsSource Related Used By Changelog User Contributed Notes Source #Source File: wp-admin/includes/template.php View on Trac Top ↑Related #Related Used By #Used By Used By Used By Description wp-admin/includes/template.php: _wp_admin_html_begin() Top ↑Changelog #Changelog Changelog Version Description 2.2.0 Introduced. Top ↑User Contributed Notes #User Contributed Notes You must log in before being able to contribute a note or feedback.