Missing Method in BiografiaController

Error: The action img is not defined in controller BiografiaController

Error: Create BiografiaController::img() in file: app/controllers/biografia_controller.php.

<?php
class BiografiaController extends AppController {

	var $name = 'Biografia';


	function img() {

	}

}
?>

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