Missing Method in PortalController

Error: The action index.html is not defined in controller PortalController

Error: Create PortalController::index.html() in file: app/controllers/portal_controller.php.

<?php
class PortalController extends AppController {

	var $name = 'Portal';


	function index.html() {

	}

}
?>

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