---
title: AudioFormatPropertyID
framework: audiotoolbox
role: symbol
role_heading: Type Alias
path: audiotoolbox/audioformatpropertyid
---

# AudioFormatPropertyID

A type for four-char codes for audio format property identifiers.

## Declaration

```swift
typealias AudioFormatPropertyID = UInt32
```

## Discussion

Discussion See Audio Format Property Identifiers.

## See Also

### Data Types

- [AudioBalanceFade](audiotoolbox/audiobalancefade.md)
- [AudioFormatInfo](audiotoolbox/audioformatinfo.md)
- [AudioFormatListItem](coreaudiotypes/audioformatlistitem.md)
- [AudioPanningInfo](audiotoolbox/audiopanninginfo.md)
- [ExtendedAudioFormatInfo](audiotoolbox/extendedaudioformatinfo.md)