// set sound null, the music won't be played
// payload.setSound(null);
payload.setSound("msg.mp3");
payload.addParam("uid", 123456);
payload.addParam("type", 12);
service.sendNotification(token, payload);
// payload, use loc string
Payload payload2 = new Payload();
payload2.setBadge(1);
payload2.setAlertLocKey("GAME_PLAY_REQUEST_FORMAT");