---
title: kIOCompatibilityPropertiesKey
framework: IOKit
role: symbol
role_heading: Global Variable
platforms: [iOS 16.0+, iPadOS 16.0+, Mac Catalyst 14.0+, macOS 11.0+, visionOS 1.0+]
path: iokit/kiocompatibilitypropertieskey
---

# kIOCompatibilityPropertiesKey

## Declaration

```swift
var kIOCompatibilityPropertiesKey: String { get }
```