---
title: kIOHIDElementCollectionTypeUsageModifier
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: iokit/iohidelementcollectiontype/kiohidelementcollectiontypeusagemodifier
---

# kIOHIDElementCollectionTypeUsageModifier

## Declaration

```occ
kIOHIDElementCollectionTypeUsageModifier
```

## Discussion

Modifies the meaning of the usage attached to the encompassing collection.