code: def fetch(self):
          
          params = values.of({})
  
          payload = self._version.fetch(
              'GET',
              self._uri,
              params=params,
          )
  
          return PublishedTrackInstance(
              self._version,
              payload,
              room_sid=self._solution['room_sid'],
              participant_sid=self._solution['participant_sid'],
              sid=self._solution['sid'],
          )
docs: Fetch a PublishedTrackInstance
  
          :returns: Fetched PublishedTrackInstance
          :rtype: twilio.rest.video.v1.room.room_participant.room_participant_published_track.PublishedTrackInstance