---
title: kUSBHostPortPropertyProtocolRevision2
framework: USBDriverKit
role: symbol
role_heading: Macro
platforms: [driverkit 19.0+]
path: usbdriverkit/kusbhostportpropertyprotocolrevision2
---

# kUSBHostPortPropertyProtocolRevision2

## Declaration

```occ
#define kUSBHostPortPropertyProtocolRevision2
```