---
title: SetHasAudio
framework: VideoDriverKit
role: symbol
role_heading: Instance Method
platforms: [driverkit 27.0+]
path: videodriverkit/iouservideobox/sethasaudio
---

# SetHasAudio

Sets the value indicating the box’s audio support.

## Declaration

```occ
kern_return_t SetHasAudio(bool in_has_audio);
```

## Parameters

- `in_has_audio`: The box’s audio support.

## Discussion

Discussion The object sends a notification to the host to update the object state on success. The object’s work queue synchronizes access to the value.

## See Also

### Determining media support

- [HasAudio](videodriverkit/iouservideobox/hasaudio.md)
- [SetHasVideo](videodriverkit/iouservideobox/sethasvideo.md)
- [HasVideo](videodriverkit/iouservideobox/hasvideo.md)
- [SetHasMIDI](videodriverkit/iouservideobox/sethasmidi.md)
- [HasMIDI](videodriverkit/iouservideobox/hasmidi.md)