---
title: bAlternateSetting
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.8+]
path: iokit/iousbendpointproperties/1425690-balternatesetting
---

# bAlternateSetting

Used as an input for GetEndpointPropertiesV3. Used as an output for GetPipePropertiesV3

## Declaration

```occ
UInt8 bAlternateSetting;
```