Contents

criticalSoundNamed(_:withAudioVolume:)

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

Declaration

class func criticalSoundNamed(_ name: UNNotificationSoundName, withAudioVolume volume: Float) -> Self

Parameters

  • name:

    The name of the sound file to play. This file must be located in the current executable’s main bundle or in the Library/Sounds directory of the current app container directory. If files exist at both locations, the system uses the file from the Library/Sounds directory. This parameter must not be nil.

  • volume:

    The volume must be a value between 0.0 and 1.0.

Return Value

A sound object representing a custom 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.

See Also

Getting Critical Sounds