I don't know how to embed a blogger after the update

API
3

https://www.free24online.com/2020/06/live-bts-bang-bang-con-live-concert.html

<iframe src="https://player.twitch.tv/?channel=rosiegguks&parent=www.example.com" frameborder="0" allowfullscreen="true" scrolling="no" height="378" width="620"></iframe>