private function generateFileName($controller, $action){
		$extra_params = "";

		foreach($this->extra_params as $extra_param){
			if(isset($controller->$extra_param)){
				$extra_params .= $controller->$extra_param . "_";
			}
		}

		$name = $controller->id . '_' . $action->id . '_' . $extra_params . md5(json_encode(Yii::$app->request->get())) . '.html';

		return $name;
	}