---
title: bInterfaceSubClass
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/iousbfindinterfacerequest/1546058-binterfacesubclass
---

# bInterfaceSubClass

The interface subclass to find.

## Declaration

```occ
UInt16 bInterfaceSubClass;
```

## See Also

### Getting the Properties

- [bAlternateSetting](kernel/iousbfindinterfacerequest/1546002-balternatesetting.md)
- [bInterfaceClass](kernel/iousbfindinterfacerequest/1546291-binterfaceclass.md)
- [bInterfaceProtocol](kernel/iousbfindinterfacerequest/1546022-binterfaceprotocol.md)