An elaborated title that explains the purpose of the command.
- iOS 13.0+
- Mac Catalyst 13.0+
- tvOS 13.0+
The system uses this property to display information about the command. In iOS, the system displays this title in the discoverability heads-up display (HUD). If this property is
nil, the HUD displays the
In Mac apps built with Mac Catalyst, the system displays the discoverability title as a tooltip.