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# MIDIObjectPropertyChangeNotification

A message that describes the change to an object property.

```
struct MIDIObjectPropertyChangeNotification
```

## Topics

### Inspecting the Notification

[`messageID`](/documentation/CoreMIDI/MIDIObjectPropertyChangeNotification/messageID)

The message type.

[`messageSize`](/documentation/CoreMIDI/MIDIObjectPropertyChangeNotification/messageSize)

The message size.

[`object`](/documentation/CoreMIDI/MIDIObjectPropertyChangeNotification/object)

The object whose property changed.

[`objectType`](/documentation/CoreMIDI/MIDIObjectPropertyChangeNotification/objectType)

The object type.

[`propertyName`](/documentation/CoreMIDI/MIDIObjectPropertyChangeNotification/propertyName)

The name of the modified property.

### Initializers

[`init(messageID:messageSize:object:objectType:propertyName:)`](/documentation/CoreMIDI/MIDIObjectPropertyChangeNotification/init(messageID:messageSize:object:objectType:propertyName:))

## Relationships

### Conforms To

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

---

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