An elaborated title that explains the purpose of the key command.
- iOS 9.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
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
For iPad apps running in macOS, the system displays the discoverability title as a tooltip.