Missing Method in PreHomeController

Error: The action carrito is not defined in controller PreHomeController

Error: Create PreHomeController::carrito() in file: app/controllers/pre_home_controller.php.

<?php
class PreHomeController extends AppController {

	var $name = 'PreHome';


	function carrito() {

	}

}
?>

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