WordPress at a glance
action is not described

post_lock_lost_dialog action-hook . WP 3.6.0

Fires inside the dialog displayed when a user has lost the post lock.

Usage

add_action( 'post_lock_lost_dialog', 'action_function_name_2861' );
function action_function_name_2861( $post ){
	// action...
}
$post(WP_Post)
Post object.

Where the hook is called

_admin_notice_post_locked()
wp-admin/includes/post.php 1677
do_action( 'post_lock_lost_dialog', $post );

Where the hook is used (in WP core)

Does not used.