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

# kUSBDiagnosticDeviceInterfaceClass

## Declaration

```occ
kUSBDiagnosticDeviceInterfaceClass = 220
```