Missing Method in SiterController

Error: The action {{grupo.function}} is not defined in controller SiterController

Error: Create SiterController::{{grupo.function}}() in file: app/controllers/siter_controller.php.

<?php
class SiterController extends AppController {

	var $name = 'Siter';


	function {{grupo.function}}() {

	}

}
?>

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