---
title: kIOKitNoticationMsgSizeMask
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1645646-anonymous/kiokitnoticationmsgsizemask
---

# kIOKitNoticationMsgSizeMask

## Declaration

```occ
kIOKitNoticationMsgSizeMask = 3
```