admin_head-(hook_suffix) action-hook . WP 1.0

This action is documented in wp-admin/admin-header.php

add_action( 'admin_head-(hook_suffix)', 'action_function_name_9373' );
function action_function_name_9373(){
	// action...
}

admin_head-(hook_suffix)

do_action( "admin_head-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

do_action( "admin_head-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

add_action( 'admin_head-nav-menus.php', '_wp_delete_orphaned_draft_menu_items' );

add_action( "admin_head-{$page}", $this->admin_header_callback, 51 );

add_action( "admin_head-{$page}", array( $this, 'help' ) );

add_action( "admin_head-{$page}", array( $this, 'take_action' ), 50 );

add_action( "admin_head-{$page}", array( $this, 'js' ), 50 );

add_action( "admin_head-{$page}", $this->admin_header_callback, 51 );

add_action( 'admin_head-widgets.php', array( 'WP_Widget_Custom_HTML', 'add_help_text' ) );