---
title: kIOFWSBP2UserClientSetMessageCallback
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/iofwsbp2userclientcommandcodes/kiofwsbp2userclientsetmessagecallback
---

# kIOFWSBP2UserClientSetMessageCallback

## Declaration

```occ
kIOFWSBP2UserClientSetMessageCallback
```