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

# kIOFBNotifyClamshellChange

## Declaration

```occ
kIOFBNotifyClamshellChange = 20
```