---
title: "IONotificationPortSetImportanceReceiver(_:)"
framework: IOKit
role: symbol
role_heading: Function
platforms: [iOS 18.4+, iPadOS 18.4+, Mac Catalyst 13.0+, macOS 10.13+, visionOS 2.4+]
path: iokit/2870065-ionotificationportsetimportancer
---

# IONotificationPortSetImportanceReceiver(_:)

## Declaration

```swift
func IONotificationPortSetImportanceReceiver(_ notify: IONotificationPortRef!) -> kern_return_t
```