---
title: kIOReturnNotResponding
framework: IOKit
role: symbol
role_heading: Global Variable
platforms: [Mac Catalyst 13.0+, macOS 10.9+, xcode 8.0+]
path: iokit/kioreturnnotresponding
---

# kIOReturnNotResponding

## Declaration

```swift
var kIOReturnNotResponding: IOReturn { get }
```