---
title: kHIDUsage_Button_3
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1641426-anonymous/khidusage_button_3
---

# kHIDUsage_Button_3

## Declaration

```occ
kHIDUsage_Button_3 = 0x03
```