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# AVSampleBufferAudioRenderer.Receiver.RenderingEvent

Events that might require intervention after there are no more samples to enqueue, but before rendering has finished.

```
enum RenderingEvent
```

## Topics

### Rendering events

[`case outputConfigurationChanged`](/documentation/AVFoundation/AVSampleBufferAudioRenderer/Receiver/RenderingEvent/outputConfigurationChanged)

Indicates that the audio output configuration has changed.

[`case wasFlushedAutomatically(at: CMTime)`](/documentation/AVFoundation/AVSampleBufferAudioRenderer/Receiver/RenderingEvent/wasFlushedAutomatically(at:))

The enqueued media data has been flushed for a reason other than a call to the `flush()` method.

[`case failed(any Error)`](/documentation/AVFoundation/AVSampleBufferAudioRenderer/Receiver/RenderingEvent/failed(_:))

Indicates that the receiver cannot currently enqueue or render sample buffers because of the associated error.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

---

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