admin_footer хук-событие . WP 1.2.0

Prints scripts or data before the default footer scripts.

add_action( 'admin_footer', 'action_function_name_3444' );
function action_function_name_3444( $data ){
	// action...
}

В файле: /wp-admin/admin-footer.php

admin_footer

do_action( 'admin_footer', '' );

do_action( 'admin_footer', $hook_suffix );

add_action( 'admin_footer', '_admin_notice_post_locked' );

add_action( 'admin_footer', '_admin_notice_post_locked' );

add_action( 'admin_footer', '_local_storage_notice' );

add_action( 'admin_footer', array( $this, '_js_vars' ) );

add_action( 'admin_footer', 'wp_underscore_playlist_templates', 0 );

add_action( 'admin_footer', 'wp_print_media_templates' );