code: def publish_event(self, notification_event):
          
          content = self._serialize.body(notification_event, 'VssNotificationEvent')
          response = self._send(http_method='POST',
                                location_id='14c57b7a-c0e6-4555-9f51-e067188fdd8e',
                                version='5.0-preview.1',
                                content=content)
          return self._deserialize('VssNotificationEvent', response)
docs: PublishEvent.
          [Preview API] Publish an event.
          :param :class:`<VssNotificationEvent> <azure.devops.v5_0.notification.models.VssNotificationEvent>` notification_event:
          :rtype: :class:`<VssNotificationEvent> <azure.devops.v5_0.notification.models.VssNotificationEvent>`