Video setting implementation suggestion

Would it be possible to include a setting in this area “Maximum frame rate - App out of focus”.
You can set the value to a nice value, say 5fps so when you alt tab you don’t keep your space heater of a video card running, The UE seems to want to run at max at all times unless you specify max frames 90/60/30.
Similar implementation of this would be CoD, WoW, etc.