---
title: kUSBCommDirectLineSubClass
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.2+]
path: iokit/1424847-interface_subclass/kusbcommdirectlinesubclass
---

# kUSBCommDirectLineSubClass

## Declaration

```occ
kUSBCommDirectLineSubClass = 0x01
```