---
title: sink
framework: virtualization
role: symbol
role_heading: Instance Property
path: virtualization/vzvirtiosounddeviceoutputstreamconfiguration/sink
---

# sink

An audio stream sink that defines how the host handles audio data produced by the guest.

## Declaration

```swift
var sink: VZAudioOutputStreamSink? { get set }
```

## Discussion

Discussion Not specifying a sink results in a default handler that suppresses the audio. The default is nil.

## See Also

### Related Documentation

- [VZAudioOutputStreamSink](virtualization/vzaudiooutputstreamsink.md)
- [VZHostAudioOutputStreamSink](virtualization/vzhostaudiooutputstreamsink.md)