---
title: doInstallNotification
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/ioservice/1532603-doinstallnotification
---

# doInstallNotification

## Declaration

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