---
title: addNotification
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/ioservice/1532881-addnotification
---

# addNotification

## Declaration

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