---
title: kHIDUsage_PD_OutletSystem
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1641301-anonymous/khidusage_pd_outletsystem
---

# kHIDUsage_PD_OutletSystem

## Declaration

```occ
kHIDUsage_PD_OutletSystem = 0x18
```