---
title: protocol
framework: coremidi
role: symbol
role_heading: Instance Property
path: coremidi/midieventlist/protocol
---

# protocol

The MIDI protocol variant of the events in the list.

## Declaration

```swift
var `protocol`: MIDIProtocolID
```

## See Also

### Configuring an Event List

- [numPackets](coremidi/midieventlist/numpackets.md)
- [packet](coremidi/midieventlist/packet.md)