onMultiArtworkCreate

(async () => {
  const api = await Canva.Partnership.initialize({
    apiKey: "<partner_api_key>",
    autoAuthToken: "<auto_auth_token>",
    container: document.getElementById("container"),
  });

  const onMultiArtworkCreate = (opts) => {
    opts.artworks.forEach((artwork) => {
      console.log(artwork);
    });
  };

  const onProductSelect = (opts) => {
    api.createDesign({
      ...opts,
      onMultiArtworkCreate,
    });
  };

  api.showCatalog({
    onProductSelect,
  });
})();