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# MPChangePlaybackRateCommand

An object that responds to requests to change the playback rate of the playing item.

```
class MPChangePlaybackRateCommand
```

## Overview

Apps can change the current playback rate of a media item to one of the supported rates defined by the [`supportedPlaybackRates`](/documentation/MediaPlayer/MPChangePlaybackRateCommand/supportedPlaybackRates) property.

## Topics

### Retrieving playback rates

[`supportedPlaybackRates`](/documentation/MediaPlayer/MPChangePlaybackRateCommand/supportedPlaybackRates)

The supported playback rates for a media item.

## Relationships

### Conforms To

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

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

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

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

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

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

### Inherits From

[`MPRemoteCommand`](/documentation/MediaPlayer/MPRemoteCommand)

---

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