'Update the SessionInstance
:param unicode unique_name: A unique, developer assigned name of this Session.
:param unicode ttl: How long will this session stay open, in seconds.
:param SessionInstance.Status status: The Status of this Session
:param unicode participants: The participants
:returns: Updated SessionInstance
:rtype: twilio.rest.preview.proxy.service.session.SessionInstance'

def update(self, unique_name=values.unset, ttl=values.unset, status=values.unset, participants=values.unset):

    return self._proxy.update(unique_name=unique_name, ttl=ttl, status=status, participants=participants)
