r.ReflectionMethod

0 - None. Reflections can come from placed Reflection Captures, Planar Reflections and Skylight but no global reflection method will be used1 - Lumen. Use Lumen Reflections, which supports Screen / Software / Hardware Ray Tracing together and integrates with Lumen Global Illumination for rough reflections and Global Illumination seen in reflections2 - SSR. Standalone Screen Space Reflections. Low cost, but limited by screen space information3 - RT Reflections. Ray Traced Reflections technique. Deprecated, use Lumen Reflections instead.