/**
  * Collect response source artifact to storage.
  *
  * @param Event $event
  * @return void
  */
 public function process(Event $event)
 {
     $directory = $this->createDestinationDirectory('webapi-response');
     $this->logger->log(json_encode($event->getSubjects()[0]), $directory . '/' . $event->getIdentifier() . '.json');
 }