code: def invites(self):
          
          if self._invites is None:
              self._invites = InviteList(
                  self._version,
                  service_sid=self._solution['service_sid'],
                  channel_sid=self._solution['sid'],
              )
          return self._invites
docs: Access the invites
  
          :returns: twilio.rest.chat.v1.service.channel.invite.InviteList
          :rtype: twilio.rest.chat.v1.service.channel.invite.InviteList