TheIconic\Tracking\GoogleAnalytics\Analytics::setAsyncRequest PHP Method

    public function setAsyncRequest($isAsyncRequest)
    {
        $this->isAsyncRequest = $isAsyncRequest;
        return $this;
    }

 /**
  * Initialize Analytics Library with Default Config.
  */
 public function registerAnalytics()
 {
     $this->app->singleton('gamp', function ($app) {
         $config = $app['config'];
         $analytics = new Analytics($config->get('gamp.is_ssl', false));
         $analytics->setProtocolVersion($config->get('gamp.protocol_version', 1))->setTrackingId($config->get('gamp.tracking_id'));
         if ($config->get('gamp.anonymize_ip', false)) {
             $analytics->setAnonymizeIp('1');
         }
         if ($config->get('gamp.async_requests', false)) {
             $analytics->setAsyncRequest(true);
         }
         return $analytics;
     });
 }