---
title: metadata
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetexportsession/metadata
---

# metadata

The metadata an export session writes to the output container file.

## Declaration

```swift
var metadata: [AVMetadataItem]? { get set }
```

## See Also

### Configuring metadata

- [metadataItemFilter](avfoundation/avassetexportsession/metadataitemfilter.md)