---
title: AVAssetWriterInput.MetadataReceiver
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avassetwriterinput/metadatareceiver
---

# AVAssetWriterInput.MetadataReceiver

Provides an interface for writing timed metadata groups to an input.

## Declaration

```swift
class MetadataReceiver
```

## Topics

### Appending metadata

- [append(_:)](avfoundation/avassetwriterinput/metadatareceiver/append(_:).md)
- [appendImmediately(_:)](avfoundation/avassetwriterinput/metadatareceiver/appendimmediately(_:).md)
- [finish()](avfoundation/avassetwriterinput/metadatareceiver/finish().md)

## See Also

### Appending media samples

- [expectsMediaDataInRealTime](avfoundation/avassetwriterinput/expectsmediadatainrealtime.md)
- [isReadyForMoreMediaData](avfoundation/avassetwriterinput/isreadyformoremediadata.md)
- [requestMediaDataWhenReady(on:using:)](avfoundation/avassetwriterinput/requestmediadatawhenready(on:using:).md)
- [append(_:)](avfoundation/avassetwriterinput/append(_:).md)
- [markAsFinished()](avfoundation/avassetwriterinput/markasfinished().md)
- [AVAssetWriterInput.SampleBufferReceiver](avfoundation/avassetwriterinput/samplebufferreceiver.md)
- [AVAssetWriterInput.PixelBufferReceiver](avfoundation/avassetwriterinput/pixelbufferreceiver.md)
- [AVAssetWriterInput.TaggedPixelBufferGroupReceiver](avfoundation/avassetwriterinput/taggedpixelbuffergroupreceiver.md)
- [AVAssetWriterInput.CaptionReceiver](avfoundation/avassetwriterinput/captionreceiver.md)