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# AVAssetWriterInput.MetadataReceiver

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

```
class MetadataReceiver
```

## Topics

### Appending metadata

[`func append(AVTimedMetadataGroup) async throws`](/documentation/AVFoundation/AVAssetWriterInput/MetadataReceiver/append(_:))

Suspends until the input is ready for more media data, then appends the timed metadata group.

[`func appendImmediately(AVTimedMetadataGroup) throws -> Bool`](/documentation/AVFoundation/AVAssetWriterInput/MetadataReceiver/appendImmediately(_:))

Appends the timed metadata group synchronously if the input is ready for more media data.

[`func finish()`](/documentation/AVFoundation/AVAssetWriterInput/MetadataReceiver/finish())

Indicates to the AVAssetWriter that no more buffers will be appended to this receiver.


---

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