---
title: kUSBHostPortPropertyProtocolCompanionRevision2
framework: USBDriverKit
role: symbol
role_heading: Macro
platforms: [driverkit 19.0+]
path: usbdriverkit/kusbhostportpropertyprotocolcompanionrevision2
---

# kUSBHostPortPropertyProtocolCompanionRevision2

## Declaration

```occ
#define kUSBHostPortPropertyProtocolCompanionRevision2
```