How to hide notification content of App lock on the Redmi Pad SE 8.7?

After turning on the App lock, you can enable the hide notification content feature on the Redmi Pad SE 8.7. It means that the content of notifications from protected apps will be concealed.
To hide notification content of App lock on your tablet, please refer to the following steps:
1. Go to [Settings] on your tablet;
2. Scroll down and tap [Apps];
3. Select [App lock];
4. Turn on the option of the APP for which you want to hide the notification content;
5. Tap [Want to hide sensitive notifications?] appears at the upper part of the interface;
6. Turn on the option of the APP again and the notification content can be hidden.