addAudioTrack

import { addAudioTrack } from "@canva/design";
import { upload } from "@canva/asset";

// Upload an audio asset
const audio = await upload({
  type: "AUDIO",
  title: "Example audio",
  mimeType: "audio/mp3",
  durationMs: 86047,
  url: "https://www.canva.dev/example-assets/audio-import/audio.mp3",
});

// Add the audio track to the user's design
await addAudioTrack({
  ref: audio.ref,
});