Missing Method in ExtrasController

Error: The action empty is not defined in controller ExtrasController

Error: Create ExtrasController::empty() in file: app/controllers/extras_controller.php.

<?php
class ExtrasController extends AppController {

	var $name = 'Extras';


	function empty() {

	}

}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_action.ctp