The message displayed in the notification alert.
- iOS 10.0+
- macOS 10.14+
- Mac Catalyst 13.0+
- watchOS 3.0+
The body text contains the final text that you want to display. If your app is not authorized to display alert-based notifications, this property is ignored.
If you specified two percent symbols (
%%) in the message body, the system replaces it with a single percent symbol (
%). The system strips all other printf style escape characters from your string prior to display.