---
title: kUSBHostControllerPropertyProtocolRevision
framework: USBDriverKit
role: symbol
role_heading: Macro
platforms: [driverkit 19.0+]
path: usbdriverkit/kusbhostcontrollerpropertyprotocolrevision
---

# kUSBHostControllerPropertyProtocolRevision

## Declaration

```occ
#define kUSBHostControllerPropertyProtocolRevision
```