code: def setDefaultThread(self, thread_id, thread_type):
          
          self._default_thread_id = thread_id
          self._default_thread_type = thread_type
docs: Sets default thread to send messages to
  
          :param thread_id: User/Group ID to default to. See :ref:`intro_threads`
          :param thread_type: See :ref:`intro_threads`
          :type thread_type: models.ThreadType