---
title: setNotification
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/ioservice/1532577-setnotification
---

# setNotification

## Declaration

```occ
static OSPtr<IONotifier> setNotification(const OSSymbol *type, OSDictionary *matching, IOServiceMatchingNotificationHandler handler, void *target, void *ref, SInt32 priority);
```