The Inbox is where notifications and direct messages are found on TikTok.
To filter inbox notification:
1. Go to Inbox.
2. Tap All activity.
3. Filter by Likes, Comments, Mentions, Followers, or From TikTok.
To customize push notifications:
1. Go to Me.
2. Tap ..., located on the top right corner.
3. Select Push notifications.
4. Select the notifications you'd like to receive.
Note: If you do not wish to receive any notifications, you can change the notifications settings on your device.