V-Ray for Unreal ships with some Light Blueprints:
V-Ray Sun and Sky – A Sun light is a spherical light source placed at a specific location which simulates the sun in the sky. For more details on its functionality and use see the V-Ray Sun and Sky Blueprint documentation.
V-Ray Light Dome – A dome light (also considered an area light) creates light within a dome or spherical shape to create a traditional global illumination setup. This Light is frequently used to load HDRI environment images. For more details on its functionality and use see the V-Ray Light Dome Blueprint documentation.
V-Ray Light Rectangle - A V-Ray specific light source object that can be used to create physically accurate area lights of different shapes. For more details on its functionality and use see the V-Ray Light Rectangle Blueprint documentation.
