---
title: bFunctionalitySupport
framework: usbdriverkit
role: symbol
role_heading: Instance Property
path: usbdriverkit/iousbdevicecapabilitysuperspeedusb/bfunctionalitysupport
---

# bFunctionalitySupport

## Declaration

```occ
uint8_t bFunctionalitySupport;
```

## See Also

### Accessing the Descriptor Properties

- [bLength](usbdriverkit/iousbdevicecapabilitysuperspeedusb/blength.md)
- [bDescriptorType](usbdriverkit/iousbdevicecapabilitysuperspeedusb/bdescriptortype.md)
- [bDevCapabilityType](usbdriverkit/iousbdevicecapabilitysuperspeedusb/bdevcapabilitytype.md)
- [bmAttributes](usbdriverkit/iousbdevicecapabilitysuperspeedusb/bmattributes.md)
- [wSpeedsSupported](usbdriverkit/iousbdevicecapabilitysuperspeedusb/wspeedssupported.md)
- [bU1DevExitLat](usbdriverkit/iousbdevicecapabilitysuperspeedusb/bu1devexitlat.md)
- [wU2DevExitLat](usbdriverkit/iousbdevicecapabilitysuperspeedusb/wu2devexitlat.md)