Controls whether ray tracing features can be toggled on demand at runtime without restarting the game (experimental)Requires r.RayTracing=1 and will override GameUserSettings in game. Requires r.RayTracing.EnableInEditor=1 in editor. Has a small performance and memory overhead 0: off (default 1: on
Usage
r.RayTracing.EnableOnDemand [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.