---
title: AVMetadataGroup
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avmetadatagroup
---

# AVMetadataGroup

A collection of metadata items associated with a timeline segment.

## Declaration

```swift
class AVMetadataGroup
```

## Topics

### Inspecting the metadata group

- [items](avfoundation/avmetadatagroup/items.md)
- [uniqueID](avfoundation/avmetadatagroup/uniqueid.md)
- [classifyingLabel](avfoundation/avmetadatagroup/classifyinglabel.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Inherited By

- [AVDateRangeMetadataGroup](avfoundation/avdaterangemetadatagroup.md)
- [AVTimedMetadataGroup](avfoundation/avtimedmetadatagroup.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Timed metadata

- [Presenting chapter markers](avfoundation/presenting-chapter-markers.md)
- [AVTimedMetadataGroup](avfoundation/avtimedmetadatagroup.md)
- [AVMutableTimedMetadataGroup](avfoundation/avmutabletimedmetadatagroup.md)
- [AVDateRangeMetadataGroup](avfoundation/avdaterangemetadatagroup.md)
- [AVMutableDateRangeMetadataGroup](avfoundation/avmutabledaterangemetadatagroup.md)
- [AVPlayerItemMediaDataCollector](avfoundation/avplayeritemmediadatacollector.md)
- [AVPlayerItemMetadataCollector](avfoundation/avplayeritemmetadatacollector.md)