---
title: customVideoCompositorClass
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avvideocomposition/customvideocompositorclass
---

# customVideoCompositorClass

A custom compositor class to use.

## Declaration

```swift
var customVideoCompositorClass: (any AVVideoCompositing.Type)? { get }
```

## Discussion

Discussion The default is nil, which indicates to use the internal video compositor. The customVideoCompositorClass must implement the AVVideoCompositing protocol.

## See Also

### Inspecting the video composition

- [renderSize](avfoundation/avvideocomposition/rendersize.md)
- [renderScale](avfoundation/avvideocomposition/renderscale.md)
- [frameDuration](avfoundation/avvideocomposition/frameduration.md)
- [animationTool](avfoundation/avvideocomposition/animationtool.md)
- [colorPrimaries](avfoundation/avvideocomposition/colorprimaries.md)
- [colorTransferFunction](avfoundation/avvideocomposition/colortransferfunction.md)
- [colorYCbCrMatrix](avfoundation/avvideocomposition/colorycbcrmatrix.md)
- [outputBufferDescription](avfoundation/avvideocomposition/outputbufferdescription-3ayt8.md)
- [spatialVideoConfigurations](avfoundation/avvideocomposition/spatialvideoconfigurations-80iab.md)
- [AVSpatialVideoConfiguration](avfoundation/avspatialvideoconfiguration-swift.struct.md)