Missing Method in ContentController

Error: The action DOCUMENT is not defined in controller ContentController

Error: Create ContentController::DOCUMENT() in file: app/controllers/content_controller.php.

<?php
class ContentController extends AppController {

	var $name = 'Content';


	function DOCUMENT() {

	}

}
?>

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