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# AVMetricPlayerItemRateChangeEvent

An event that represents when the playback rate changes.

```
class AVMetricPlayerItemRateChangeEvent
```

## Topics

### Inspecting the event

[`previousRate`](/documentation/AVFoundation/AVMetricPlayerItemRateChangeEvent/previousRate)

[`rate`](/documentation/AVFoundation/AVMetricPlayerItemRateChangeEvent/rate)

[`variant`](/documentation/AVFoundation/AVMetricPlayerItemRateChangeEvent/variant)



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