code: def get_connected_services(self, project_id, kind=None):
          
          route_values = {}
          if project_id is not None:
              route_values['projectId'] = self._serialize.url('project_id', project_id, 'str')
          query_parameters = {}
          if kind is not None:
              query_parameters['kind'] = self._serialize.query('kind', kind, 'str')
          response = self._send(http_method='GET',
                                location_id='b4f70219-e18b-42c5-abe3-98b07d35525e',
                                version='5.0-preview.1',
                                route_values=route_values,
                                query_parameters=query_parameters)
          return self._deserialize('[WebApiConnectedService]', self._unwrap_collection(response))
docs: GetConnectedServices.
          [Preview API]
          :param str project_id:
          :param str kind:
          :rtype: [WebApiConnectedService]