public function VerifyNotificationChannel(\Google\Cloud\Monitoring\V3\VerifyNotificationChannelRequest $argument,
      $metadata = [], $options = []) {
        return $this->_simpleRequest('/google.monitoring.v3.NotificationChannelService/VerifyNotificationChannel',
        $argument,
        ['\Google\Cloud\Monitoring\V3\NotificationChannel', 'decode'],
        $metadata, $options);
    }