---
title: kIOFBNotifyWillSleep
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1638125-anonymous/kiofbnotifywillsleep
---

# kIOFBNotifyWillSleep

## Declaration

```occ
kIOFBNotifyWillSleep = 3
```