# MIDIEventListInit(_:_:) Initializes an event list. ``` func MIDIEventListInit(_ evtlist: UnsafeMutablePointer, _ protocol: MIDIProtocolID) -> UnsafeMutablePointer ``` ## Parameters `evtlist` The event list to initialize. `protocol` The MIDI protocol variant. ## Return Value A pointer to the first [`MIDIEventPacket`](/documentation/CoreMIDI/MIDIEventPacket) in the event list. ## Discussion --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)