---
title: MIDIObjectPropertyChangeNotification
framework: coremidi
role: symbol
role_heading: Structure
path: coremidi/midiobjectpropertychangenotification
---

# MIDIObjectPropertyChangeNotification

A message that describes the change to an object property.

## Declaration

```swift
struct MIDIObjectPropertyChangeNotification
```

## Topics

### Inspecting the Notification

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

### Initializers

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

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)

## See Also

### Notifications

- [MIDIObjectAddRemoveNotification](coremidi/midiobjectaddremovenotification.md)