---
title: AVAudioSession.DeactivationSource.system
framework: avfaudio
role: symbol
role_heading: Case
path: avfaudio/avaudiosession/deactivationsource/system
---

# AVAudioSession.DeactivationSource.system

## Declaration

```swift
case system
```

## See Also

### Getting the source

- [AVAudioSession.DeactivationSource.app](avfaudio/avaudiosession/deactivationsource/app.md)