---
title: mNumberNotifications
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.7+]
path: iokit/iovideodevicenotificationmessage/1503922-mnumbernotifications
---

# mNumberNotifications

The number of IOVideoNotifications in the mNotifications array.

## Declaration

```occ
UInt32 mNumberNotifications;
```