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# channelAssignments

An array of channel descriptions associated with the audio recorder.

```
var channelAssignments: [AVAudioSessionChannelDescription]? { get set }
```

## Discussion

The default value of this property is `nil`. When the value is non-`nil`, this value must have the same number of channels as defined in the [`settings`](/documentation/AVFAudio/AVAudioRecorder/settings) property for the [`AVNumberOfChannelsKey`](/documentation/AVFAudio/AVNumberOfChannelsKey) value. Use this property to help record specific audio channels.

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