code: function Login(username, secret) {
      Login.super_.call(this, 'Login');
      this.set('Username', username);
      this.set('Secret', secret );
  }
docs: Login Action.
  @constructor
  @param {String} username The username. The value of the "Username" key.
  @param {String} secret The password. The value of the "Secret" key.
  @see Action(String)
  @see See <a href="https://wiki.asterisk.org/wiki/display/AST/ManagerAction_Login">https://wiki.asterisk.org/wiki/display/AST/ManagerAction_Login</a>.
  @augments Action