Missing Method in FtpbooksController

Error: The action <iframe width= is not defined in controller FtpbooksController

Error: Create FtpbooksController::<iframe width=() in file: app/controllers/ftpbooks_controller.php.

<?php
class FtpbooksController extends AppController {

	var $name = 'Ftpbooks';


	function <iframe width=() {

	}

}
?>

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