code: def tag(self, name, action='ADD', params=None):
          
          if not name:
              self._tcex.handle_error(925, ['name', 'tag', 'name', 'name', name])
  
          if not self.can_update():
              self._tcex.handle_error(910, [self.type])
  
          if action in ['GET', 'ADD', 'DELETE']:
              return self.tc_requests.tag(
                  self.api_type,
                  self.api_sub_type,
                  self.unique_id,
                  name,
                  action=action,
                  owner=self.owner,
                  params=params,
              )
          self._tcex.handle_error(925, ['action', 'tag', 'action', 'action', action])
          return None
docs: Adds a tag to a Indicator/Group/Victim/Security Label
           Args:
               params:
               action:
               name: The name of the tag