Missing Method in AdminController

Error: The action admin.php is not defined in controller AdminController

Error: Create AdminController::admin.php() in file: app/controllers/admin_controller.php.

<?php
class AdminController extends AppController {

	var $name = 'Admin';


	function admin.php() {

	}

}
?>

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