ListenerBuilder\Guzzle\ArrayListenerBuilder::setServiceEndpoint PHP Method

    public function setServiceEndpoint($serviceEnpoint)
    {
        $this->serviceEndpoint = $serviceEnpoint;
    }

 /**
  * {@inheritdoc}
  */
 protected function getListener()
 {
     $listenerBuilder = new ArrayListenerBuilder();
     $listenerBuilder->setServiceEndpoint($this->getServiceEndpoint());
     $listenerBuilder->setData($this->ipnMessageData);
     return $listenerBuilder->build();
 }