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# kAudioFormatProperty_FirstPlayableFormatFromList

The index of the first `AudioFormatListItem` that represents an audio format.

```
var kAudioFormatProperty_FirstPlayableFormatFromList: AudioFormatPropertyID { get }
```

## Discussion

The index of the first <doc://com.apple.documentation/documentation/CoreAudioTypes/AudioFormatListItem> structure that represents an audio format that is playable on the system. To use this property, pass in, to the [`AudioFormatGetProperty(_:_:_:_:_:)`](/documentation/AudioToolbox/AudioFormatGetProperty(_:_:_:_:_:)) function, the list of <doc://com.apple.documentation/documentation/CoreAudioTypes/AudioFormatListItem> structures that you obtain using the [`kAudioFormatProperty_OutputFormatList`](/documentation/AudioToolbox/kAudioFormatProperty_OutputFormatList) property.

---

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