---
title: AVMIDIControlChangeEvent
framework: avfaudio
role: symbol
role_heading: Class
path: avfaudio/avmidicontrolchangeevent
---

# AVMIDIControlChangeEvent

An object that represents a MIDI control change message.

## Declaration

```swift
class AVMIDIControlChangeEvent
```

## Topics

### Creating a Control Change Event

- [init(channel:messageType:value:)](avfaudio/avmidicontrolchangeevent/init(channel:messagetype:value:).md)

### Inspecting a Control Change Event

- [value](avfaudio/avmidicontrolchangeevent/value.md)
- [messageType](avfaudio/avmidicontrolchangeevent/messagetype-swift.property.md)
- [AVMIDIControlChangeEvent.MessageType](avfaudio/avmidicontrolchangeevent/messagetype-swift.enum.md)

## Relationships

### Inherits From

- [AVMIDIChannelEvent](avfaudio/avmidichannelevent.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Handling MIDI Channel Events

- [AVMIDIChannelEvent](avfaudio/avmidichannelevent.md)
- [AVMIDIChannelPressureEvent](avfaudio/avmidichannelpressureevent.md)
- [AVMIDIProgramChangeEvent](avfaudio/avmidiprogramchangeevent.md)
- [AVMIDIPolyPressureEvent](avfaudio/avmidipolypressureevent.md)
- [AVMIDIPitchBendEvent](avfaudio/avmidipitchbendevent.md)