docs: def act_on_droplets(self, **data):
          r"""
          Perform an arbitrary action on all of the droplets to which the tag is
          applied.  ``data`` will be serialized as JSON and POSTed to the proper
          API endpoint.  All currently-documented actions require the POST body
          to be a JSON object containing, at a minimum, a ``"type"`` field.
  
          :return: a generator of `Action`\ s representing the in-progress
              operations on the droplets
          :rtype: generator of `Action`\ s
          :raises DOAPIError: if the API endpoint replies with an error
          """
          api = self.doapi_manager
          return map(api._action, api.request('/v2/droplets/actions', method='POST', params={"tag_name": self.name}, data=data)["actions"])