Isn't the property from?

[felipemfp]

---

The property videoId is optional, so you can use it or not. If you don't pass the property, the component will select your type of video based on your id.

  React.render(
    <Video videoId={videoId} />
    document.querySelector('#your-div')
  );

README.md

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Don't you mean "the property from is optional"?