code: def saved_search(self, sid, **kw):
          '''Execute a saved search by search id.
          :param sid string: The id of the search
          :returns: :py:class:`planet.api.models.Items`
          :raises planet.api.exceptions.APIException: On API error.
          :Options:
          * page_size (int): Size of response pages
          * sort (string): Sorting order in the form `field (asc|desc)`
          '''
          path = 'data/v1/searches/%s/results' % sid
          params = self._params(kw)
          return self._get(self._url(path), body_type=models.Items,
                           params=params).get_body()