---
title: AcknowledgeNotification
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.14+]
path: iokit/iousbdeviceinterface942/2977134-acknowledgenotification
---

# AcknowledgeNotification

## Declaration

```occ
IOReturn (*AcknowledgeNotification)(void *self, UInt64 notificationToken);
```