A Boolean value indicating whether the scene currently being previewed by the camera warrants use of the flash.
- iOS 10.0+
- Mac Catalyst 13.0+
This property’s value changes depending on the scene currently visible to the camera. For example, you might use this property to highlight the flash control in your app’s camera UI, indicating to the user that the scene is dark enough that enabling the flash might be desirable.
This property supports Key-value observing.