Page Editor - Embed Tools --> YouTube
Click the “YouTube” icon and select a video player to add it to the page. And then you can input the YouTube video ID directly and click “Refresh” to apply the video.
Then you can define the properties of the YouTube video:
There are 6 types of YouTube player for you to choose, you can double click on select a player.
You can set auto play and loop for the YouTube video in the “Video Parameters” section.