WordPress at a glance
action is not described

post_locked_dialog action-hook . WP 3.6.0

Fires inside the post locked dialog before the buttons are displayed.

Usage

add_action( 'post_locked_dialog', 'action_function_name_1468', 10, 2 );
function action_function_name_1468( $post, $user ){
	// action...
}
$post(WP_Post)
Post object.
$user(WP_User)
The user with the lock for the post.

Changelog

Since 3.6.0 Introduced.
Since 5.4.0 The $user parameter was added.

Where the hook is called

_admin_notice_post_locked()
post_locked_dialog
wp-admin/includes/post.php 1746
do_action( 'post_locked_dialog', $post, $user );

Where in WP core the hook is used

Usage not found!