---
title: "init(assetTrack:)"
framework: avfoundation
role: symbol
role_heading: Initializer
path: "avfoundation/avvideocompositionlayerinstruction/configuration/init(assettrack:)"
---

# init(assetTrack:)

Creates a new video composition layer instruction for the given track.

## Declaration

```swift
init(assetTrack: AVAssetTrack)
```

## See Also

### Creating a configuration

- [init(trackID:)](avfoundation/avvideocompositionlayerinstruction/configuration/init(trackid:).md)