---
title: bNumConfigurations
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/iousbdevicedescriptor/1425930-bnumconfigurations
---

# bNumConfigurations

## Declaration

```occ
uint8_t bNumConfigurations;
```