---
title: kUSBPhysicalInterfaceClass
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.3+]
path: iokit/1424756-interface_class/kusbphysicalinterfaceclass
---

# kUSBPhysicalInterfaceClass

## Declaration

```occ
kUSBPhysicalInterfaceClass = 5
```