---
title: messageID
framework: coremidi
role: symbol
role_heading: Instance Property
path: coremidi/midiobjectpropertychangenotification/messageid
---

# messageID

The message type.

## Declaration

```swift
var messageID: MIDINotificationMessageID
```

## See Also

### Inspecting the Notification

- [messageSize](coremidi/midiobjectpropertychangenotification/messagesize.md)
- [object](coremidi/midiobjectpropertychangenotification/object.md)
- [objectType](coremidi/midiobjectpropertychangenotification/objecttype.md)
- [propertyName](coremidi/midiobjectpropertychangenotification/propertyname.md)