Simplest workflow for moving users between rooms/scenes

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Hi,
Is there a diagram (or even a simple example project) that illustrates the basic code/steps required to do something like this:

- 2 scenes (for basic concept - but would extend it for many more scenes)
- Players join scene 1 / room 1 and can see each other.
- teleport pad in the room. As each player touches it they go to scene 2 / room 2. Only players in the same room/scene can see each other.
- same in room 2 - touch a teleport pad and you go back to scene 1 / room 1.

I just want to make sure I write the correct code to detect a "player" correctly, create/destroy players/connections to keep everything stable. What are the best practices?

Thanks!