XojoCloud.RemoteNotifications.Message.Badge

From Xojo Documentation

Property (As Integer )
aXojoCloud.RemoteNotifications.Message.Badge = newIntegerValue
or
IntegerValue = aXojoCloud.RemoteNotifications.Message.Badge

New in 2021r2

Supported for all project types and targets.

A number that, if greater than 0, appears in a red circle on the target app's icon on the home screen to indicate unread notifications.