---
title: kAudioServicesPropertyIsUISound
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudioservicespropertyisuisound
---

# kAudioServicesPropertyIsUISound

A UInt32 value, where 1 means that, for the audio file specified by a system sound passed in the inSpecifier parameter, the System Sound server respects the user setting in the Sound Effects preference and is silent when the user turns off sound effects.

## Declaration

```swift
var kAudioServicesPropertyIsUISound: AudioServicesPropertyID { get }
```

## Discussion

Discussion This property is set to 1 by default. Set it to 0 for the system sound to always play when passed to AudioServicesPlaySystemSound(_:), regardless of the user’s setting in sound preferences.

## See Also

### Constants

- [kAudioServicesPropertyCompletePlaybackIfAppDies](audiotoolbox/kaudioservicespropertycompleteplaybackifappdies.md)