---
title: AudioFileStreamPropertyID
framework: audiotoolbox
role: symbol
role_heading: Type Alias
path: audiotoolbox/audiofilestreampropertyid
---

# AudioFileStreamPropertyID

Uniquely identifies an audio file stream property.

## Declaration

```swift
typealias AudioFileStreamPropertyID = UInt32
```

## Discussion

Discussion See Audio File Stream Properties for possible values.

## See Also

### Data Types

- [AudioFileStreamID](audiotoolbox/audiofilestreamid.md)