---
title: bInterfaceClass
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/iousbinterfacedescriptor/1426021-binterfaceclass
---

# bInterfaceClass

## Declaration

```occ
uint8_t bInterfaceClass;
```