---
title: assetReaderTrackOutput
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetreaderoutputmetadataadaptor/assetreadertrackoutput
---

# assetReaderTrackOutput

The asset reader track output that provides the timed metadata groups.

## Declaration

```swift
var assetReaderTrackOutput: AVAssetReaderTrackOutput { get }
```