---
title: kHIDUsage_BCS_DataPrefix
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1641386-anonymous/khidusage_bcs_dataprefix
---

# kHIDUsage_BCS_DataPrefix

## Declaration

```occ
kHIDUsage_BCS_DataPrefix = 0x4F
```