cn.jpush.api.push.mode.PushPayload.AlertAll C# (CSharp) Method

        public static PushPayload AlertAll(String alert)
        {
            return new PushPayload(Platform.all(),
                                   Audience.all(),
                                   new Notification().setAlert(alert),
                                   null,
                                   null,
                                   new Options());
        }