---
title: wFunctionalitySupport
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.15+]
path: iokit/iousbdevicecapabilitysuperspeedplususb/3142867-wfunctionalitysupport
---

# wFunctionalitySupport

## Declaration

```occ
uint16_t wFunctionalitySupport;
```