---
title: ExtendedNoteOnEvent
framework: audiotoolbox
role: symbol
role_heading: Structure
path: audiotoolbox/extendednoteonevent
---

# ExtendedNoteOnEvent

Describes a note-on event with extended parameters.

## Declaration

```swift
struct ExtendedNoteOnEvent
```

## Topics

### Initializers

- [init()](audiotoolbox/extendednoteonevent/init().md)
- [init(instrumentID:groupID:duration:extendedParams:)](audiotoolbox/extendednoteonevent/init(instrumentid:groupid:duration:extendedparams:).md)

### Instance Properties

- [duration](audiotoolbox/extendednoteonevent/duration.md)
- [extendedParams](audiotoolbox/extendednoteonevent/extendedparams.md)
- [groupID](audiotoolbox/extendednoteonevent/groupid.md)
- [instrumentID](audiotoolbox/extendednoteonevent/instrumentid.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)

## See Also

### Iterating Over Music Events

- [NewMusicEventIterator(_:_:)](audiotoolbox/newmusiceventiterator(_:_:).md)
- [DisposeMusicEventIterator(_:)](audiotoolbox/disposemusiceventiterator(_:).md)
- [MusicEventIteratorNextEvent(_:)](audiotoolbox/musiceventiteratornextevent(_:).md)
- [MusicEventIteratorSeek(_:_:)](audiotoolbox/musiceventiteratorseek(_:_:).md)
- [MusicEventIteratorDeleteEvent(_:)](audiotoolbox/musiceventiteratordeleteevent(_:).md)
- [MusicEventIteratorGetEventInfo(_:_:_:_:_:)](audiotoolbox/musiceventiteratorgeteventinfo(_:_:_:_:_:).md)
- [MusicEventIteratorHasCurrentEvent(_:_:)](audiotoolbox/musiceventiteratorhascurrentevent(_:_:).md)
- [MusicEventIteratorHasNextEvent(_:_:)](audiotoolbox/musiceventiteratorhasnextevent(_:_:).md)
- [MusicEventIteratorHasPreviousEvent(_:_:)](audiotoolbox/musiceventiteratorhaspreviousevent(_:_:).md)
- [MusicEventIteratorPreviousEvent(_:)](audiotoolbox/musiceventiteratorpreviousevent(_:).md)
- [MusicEventIteratorSetEventInfo(_:_:_:)](audiotoolbox/musiceventiteratorseteventinfo(_:_:_:).md)
- [MusicEventIteratorSetEventTime(_:_:)](audiotoolbox/musiceventiteratorseteventtime(_:_:).md)
- [MusicEventIterator](audiotoolbox/musiceventiterator.md)
- [MusicEventType](audiotoolbox/musiceventtype.md)
- [ExtendedTempoEvent](audiotoolbox/extendedtempoevent.md)