How does UE5 make an MR game and put the scene in the designated position that I want to put in the real space

How does UE5 make an MR game and put the scene in the designated position that I want to put in the real space

I’m still somewhat new to this myself but I believe you have to use the devices ability to scan the environment and use anchors to combine the worlds. As for adding characters, props and more to the real world, that’s going to be based off of game design.