You would usually build the engine from source, but that would be a bit overkill for such a simple change. I would recommend to just make a custom GameInstance class in C++ to create your session. That would be the easiest solution.
You would usually build the engine from source, but that would be a bit overkill for such a simple change. I would recommend to just make a custom GameInstance class in C++ to create your session. That would be the easiest solution.