---
title: addMatchingNotification
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/ioservice/3516482-addmatchingnotification
---

# addMatchingNotification

## Declaration

```occ
static IONotifier * addMatchingNotification(const OSSymbol *type, OSDictionary *matching, SInt32 priority, IOServiceMatchingNotificationHandlerBlock handler);
```