---
title: kUSBHostPortPropertyProtocolCompanionRevision1
framework: USBDriverKit
role: symbol
role_heading: Macro
platforms: [driverkit 19.0+]
path: usbdriverkit/kusbhostportpropertyprotocolcompanionrevision1
---

# kUSBHostPortPropertyProtocolCompanionRevision1

## Declaration

```occ
#define kUSBHostPortPropertyProtocolCompanionRevision1
```