Missing Method in RssController

Error: The action rs.xml is not defined in controller RssController

Error: Create RssController::rs.xml() in file: app/controllers/rss_controller.php.

<?php
class RssController extends AppController {

	var $name = 'Rss';


	function rs.xml() {

	}

}
?>

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