---
title: kIOPCIExpressCapabilityIDHierarchyID
framework: pcidriverkit
role: symbol
role_heading: Enumeration Case
path: pcidriverkit/kiopciexpresscapabilityidhierarchyid
---

# kIOPCIExpressCapabilityIDHierarchyID

## Declaration

```occ
kIOPCIExpressCapabilityIDHierarchyID
```