---
title: kIOHIDKeyboardPhysicalLayoutTypeUnknown
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 13.0+]
path: kernel/3943396-anonymous/kiohidkeyboardphysicallayouttypeunknown
---

# kIOHIDKeyboardPhysicalLayoutTypeUnknown

## Declaration

```occ
kIOHIDKeyboardPhysicalLayoutTypeUnknown = 0x0
```