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>`

def publish_event(self, notification_event):
        """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>`
        """
        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)