---
title: AVAudioSession.RouteSelection.external
framework: avfaudio
role: symbol
role_heading: Case
path: avfaudio/avaudiosession/routeselection/external
---

# AVAudioSession.RouteSelection.external

An external device is selected.

## Declaration

```swift
case external
```

## See Also

### Constants

- [AVAudioSession.RouteSelection.none](avfaudio/avaudiosession/routeselection/none.md)
- [AVAudioSession.RouteSelection.local](avfaudio/avaudiosession/routeselection/local.md)