---
title: kUSBInformationRootHubisBuiltIn
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.6+]
path: iokit/usbdeviceinformationbits/kusbinformationroothubisbuiltin
---

# kUSBInformationRootHubisBuiltIn

## Declaration

```occ
kUSBInformationRootHubisBuiltIn = 10
```

## Discussion

Discussion If this is a root hub simulation and it's built into the enclosure, this bit is set. If it's on an expansion card, it will be cleared