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

# customVideoCompositorClass

The custom compositor class to use.

## Declaration

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

## Discussion

Discussion The default value is nil, indicating that the internal video compositor is used