code: def create(self, identity, role_sid=values.unset):
          
          data = values.of({'Identity': identity, 'RoleSid': role_sid, })
  
          payload = self._version.create(
              'POST',
              self._uri,
              data=data,
          )
  
          return InviteInstance(
              self._version,
              payload,
              service_sid=self._solution['service_sid'],
              channel_sid=self._solution['channel_sid'],
          )
docs: Create a new InviteInstance
  
          :param unicode identity: The `identity` value that identifies the new resource's User
          :param unicode role_sid: The Role assigned to the new member
  
          :returns: Newly created InviteInstance
          :rtype: twilio.rest.chat.v2.service.channel.invite.InviteInstance