---
title: kUSBHostPortPropertyProtocolRevision1
framework: USBDriverKit
role: symbol
role_heading: Macro
platforms: [driverkit 19.0+]
path: usbdriverkit/kusbhostportpropertyprotocolrevision1
---

# kUSBHostPortPropertyProtocolRevision1

## Declaration

```occ
#define kUSBHostPortPropertyProtocolRevision1
```