def update(self, track=values.unset, publisher=values.unset, kind=values.unset,<EOL>status=values.unset):
data = values.of({'<STR_LIT>': track, '<STR_LIT>': publisher, '<STR_LIT>': kind, '<STR_LIT>': status, })<EOL>payload = self._version.update(<EOL>'<STR_LIT:POST>',<EOL>self._uri,<EOL>data=data,<EOL>)<EOL>return SubscribedTrackInstance(<EOL>self._version,<EOL>payload,<EOL>room_sid=self._solution['<STR_LIT>'],<EOL>subscriber_sid=self._solution['<STR_LIT>'],<EOL>)<EOL>
Update the SubscribedTrackInstance

:param unicode track: The track
:param unicode publisher: The publisher
:param SubscribedTrackInstance.Kind kind: The kind
:param SubscribedTrackInstance.Status status: The status

:returns: Updated SubscribedTrackInstance
:rtype: twilio.rest.video.v1.room.room_participant.room_participant_subscribed_track.SubscribedTrackInstance