As an old saying goes: if you can't explain it, then you don't master it. This will serve as a starting point to others that might be on the same path I was a few months ago: trying to understand the ...
You will then add the "Navmesh" controller to that Group node, and set pathfinding parameters (such as jump height) on that controller. Thus, in the NavmeshController::Preprocess () function, which is ...