Switchboard
How to configure Unreal 5 for XR with SMODE
https://docs.unrealengine.com/en-US/WorkingWithMedia/switchboard_overview/
The Switchboard launcher is located in: /Engine/Plugins/VirtualProduction/Switchboard/Source/Switchboard/switchboard.bat
and the listener is in /Engine/Binaries/Win64/SwitchboardListener.exe
Your configuration file is exported via the nDisplay actor:
Now you can check Unreal content in Smode for the next step.