third_party/blink/renderer/modules/webmidi/midi_message_event_init.idl

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://webaudio.github.io/web-midi-api/#MIDIMessageEventInit

dictionary MIDIMessageEventInit : EventInit {
    // TODO(foolip): |data| should be required and not nullable.
    // https://crbug.com/647693
    // https://github.com/WebAudio/web-midi-api/issues/168
    Uint8Array? data;
};