https://www.unrealengine.com/marketplace/en-US/product/75566cb303ee4d459bd175956f896dd6
An Unreal Engine tool for painting the light in the scene,
with the Light Brush, you can easily add lights to the scene control lights over where you want to have highlight duplicate light and move them around more easily manipulate lighting channel as easy as possible to link the lights and meshes in your map