1) Select 「Prioritised」 to allow sound alert for this app at subsequent new notifications.
2) Select 「Slient」 to mute all notifications from this app
You can go to 「Settings」->」Apps」->select the app you want to set->」App notifications」 to further setup.
![](http://tct-open-document.s3.ap-northeast-1.amazonaws.com/image/Smartphones/南宫ng·28+10L/image9.png)