---
title: kHIDUsage_WD_Undefined
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1641582-anonymous/khidusage_wd_undefined
---

# kHIDUsage_WD_Undefined

## Declaration

```occ
kHIDUsage_WD_Undefined = 0x00
```