---
title: kFWAsynchSourceID
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1642809-anonymous/kfwasynchsourceid
---

# kFWAsynchSourceID

## Declaration

```occ
kFWAsynchSourceID = FWBitRange (0, 15)
```