App Lock (Overview)
Use this payload to lock the device on kiosk.
On iOS is possible to specify a single app.
On Android is possible to specify multiple apps including background tasks.
Note: Use Restrictions payload to set a Whitelist or Blacklist of apps instead of App Lock if you don't need a kiosk enviroment.
Compatibility
Delivery type: Single device, Custom Group
Unique for profile: Yes
Unique for device: Yes
Elaboration logic: Priority on Android, Exclusive on iOS
Operative System: *
Management supported: Supervised
Requirements: It can be configured alternativately to Web Lock payload.
References
https://support.apple.com/guide/mdm/single-app-mode-payload-settings-mdm80a981/1/web/1.0