code: def update(self, read, write, manage):
          
          data = values.of({'Read': read, 'Write': write, 'Manage': manage, })
  
          payload = self._version.update(
              'POST',
              self._uri,
              data=data,
          )
  
          return SyncListPermissionInstance(
              self._version,
              payload,
              service_sid=self._solution['service_sid'],
              list_sid=self._solution['list_sid'],
              identity=self._solution['identity'],
          )
docs: Update the SyncListPermissionInstance
  
          :param bool read: Read access.
          :param bool write: Write access.
          :param bool manage: Manage access.
  
          :returns: Updated SyncListPermissionInstance
          :rtype: twilio.rest.sync.v1.service.sync_list.sync_list_permission.SyncListPermissionInstance