WordPress at a glance
action is not described

sidebar_admin_page action-hook . WP 2.2.0

Fires after the available widgets and sidebars have loaded, before the admin footer.

Usage

add_action( 'sidebar_admin_page', 'action_function_name_7756' );
function action_function_name_7756(){
	// action...
}

Where the hook is called

In file: /wp-admin/widgets.php
sidebar_admin_page
wp-admin/widgets.php 523
do_action( 'sidebar_admin_page' );

Where the hook is used (in WP core)

Does not used.