---
title: bVersion
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.8+]
path: iokit/iousbendpointproperties/1426285-bversion
---

# bVersion

Version of the structure. Currently kUSBEndpointPropertiesVersion3. Need to set this when using this structure

## Declaration

```occ
UInt8 bVersion;
```