---
title: kHIDUsage_Tfon_AlternateFunction
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1641343-anonymous/khidusage_tfon_alternatefunction
---

# kHIDUsage_Tfon_AlternateFunction

## Declaration

```occ
kHIDUsage_Tfon_AlternateFunction = 0x29
```