---
title: kHIDUsage_Csmr_Once
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1641321-anonymous/khidusage_csmr_once
---

# kHIDUsage_Csmr_Once

## Declaration

```occ
kHIDUsage_Csmr_Once = 0xA1
```