code: def group_members(self, group_id, include_orphans=False):
          
          params = {'includeOrphans': str(include_orphans).lower()}
          url = self._service_url(['triggers', 'groups', group_id, 'members'], params=params)
          return Trigger.list_to_object_list(self._get(url))
docs: Find all group member trigger definitions
  
          :param group_id: group trigger id
          :param include_orphans: If True, include orphan members
          :return: list of asociated group members as trigger objects