WordPress at a glance
action is not described

edit_form_advanced action-hook . WP 1.5.0

Fires after 'normal' context meta boxes have been output for all post types other than 'page'.

Usage

add_action( 'edit_form_advanced', 'action_function_name_9387' );
function action_function_name_9387( $post ){
	// action...
}
$post(WP_Post)
Post object.

Where the hook is called

In file: /wp-admin/edit-form-advanced.php
edit_form_advanced
wp-admin/edit-form-advanced.php 600
do_action( 'edit_form_advanced', $post );

Where the hook is used (in WP core)

wp-includes/class-wp-embed.php 43
add_action( 'edit_form_advanced', array( $this, 'maybe_run_ajax_cache' ) );