// MISC
  public MessageCustomSend setTouser(String openid) {
    super.setProperty(KEY_TOUSER, openid);

    return (this);
  }
  public MessageCustomSend setAccessToken(String accessToken) {
    super.setProperty(KEY_ACCESS_TOKEN, accessToken);

    return (this);
  }
  // MISC
  public GroupsGet setAccessToken(String accessToken) {
    super.setProperty(KEY_ACCESS_TOKEN, accessToken);

    return (this);
  }