---
title: IOVideoDeviceNotificationMessage
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 18.4+, macOS 10.7+]
path: iokit/iovideodevicenotificationmessage
---

# IOVideoDeviceNotificationMessage

## Declaration

```occ
typedef struct IOVideoDeviceNotificationMessage {
    ...
} IOVideoDeviceNotificationMessage;
```

## Topics

### Instance Properties

- [mClientData](iokit/iovideodevicenotificationmessage/1503868-mclientdata.md)
- [mMessageHeader](iokit/iovideodevicenotificationmessage/1503932-mmessageheader.md)
- [mNotifications](iokit/iovideodevicenotificationmessage/1503948-mnotifications.md)
- [mNumberNotifications](iokit/iovideodevicenotificationmessage/1503922-mnumbernotifications.md)