How do you incorporate SharePlay into an Immersive scene in VisionOS?

I've got an Immersive scene that I want to be able to bring additional users into via SharePlay where each user would be able to see (and hopefully interact) with the Immersive scene. How does one implement that?

The recommended answer for Spatial Meeting using Share Play in Vision Pro question should answer your question.

How do you incorporate SharePlay into an Immersive scene in VisionOS?
 
 
Q