---
title: velocity
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avmidinoteevent/velocity
---

# velocity

The MIDI velocity.

## Declaration

```swift
var velocity: UInt32 { get set }
```

## See Also

### Configuring a MIDI Note Event

- [channel](avfaudio/avmidinoteevent/channel.md)
- [key](avfaudio/avmidinoteevent/key.md)
- [duration](avfaudio/avmidinoteevent/duration.md)