Type Property

defaultCriticalSound

The default sound used for critical alerts.

Declaration

iOS, UIKit for Mac, watchOS
@property(class, copy, readonly, nonatomic) UNNotificationSound *defaultCriticalSound;
macOS
@property(class, copy, readonly, atomic) UNNotificationSound *defaultCriticalSound;

Discussion

Critical alerts ingore the mute switch and Do Not Disturb. They require a special entitlement issued by Apple.

See Also

Getting Critical Sounds

+ defaultCriticalSoundWithAudioVolume:

Creates a sound object that plays the default critical alert sound at the specified volume.

+ criticalSoundNamed:

Creates a custom sound object for critical alerts.

+ criticalSoundNamed:withAudioVolume:

Creates a custom sound object for critical alerts with the specified volume.

Beta Software

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