---
title: SetConfiguration
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.14+]
path: iokit/iousbdeviceinterface942/2977172-setconfiguration
---

# SetConfiguration

## Declaration

```occ
IOReturn (*SetConfiguration)(void *self, UInt8 configNum);
```