---
title: kUSBInterfaceClass
framework: IOKit
role: symbol
role_heading: Macro
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/kusbinterfaceclass
---

# kUSBInterfaceClass

## Declaration

```occ
#define kUSBInterfaceClass
```

## Discussion

The field in the USB Interface Descriptor corresponding to the interface class