code: def update(self, url, method):
          
          data = values.of({'Url': url, 'Method': method, })
  
          payload = self._version.update(
              'POST',
              self._uri,
              data=data,
          )
  
          return MemberInstance(
              self._version,
              payload,
              account_sid=self._solution['account_sid'],
              queue_sid=self._solution['queue_sid'],
              call_sid=self._solution['call_sid'],
          )
docs: Update the MemberInstance
  
          :param unicode url: The absolute URL of the Queue resource
          :param unicode method: How to pass the update request data
  
          :returns: Updated MemberInstance
          :rtype: twilio.rest.api.v2010.account.queue.member.MemberInstance