---
title: GetNumberOfConfigurations
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.14+]
path: iokit/iousbdeviceinterface942/2977164-getnumberofconfigurations
---

# GetNumberOfConfigurations

## Declaration

```occ
IOReturn (*GetNumberOfConfigurations)(void *self, UInt8 *numConfig);
```