defaultCriticalSound(withAudioVolume:)
Creates a sound object that plays the default critical alert sound at the volume you specify.
Declaration
class func defaultCriticalSound(withAudioVolume volume: Float) -> SelfParameters
- volume:
The volume must be a value between 0.0 and 1.0.
Return Value
A sound object representing the default critical alert sound at the specified volume.
Discussion
Critical alerts ignore the mute switch and Do Not Disturb. They require a special entitlement issued by Apple.