This render element is enabled through the Render Elements tab of the Render Setup window in 3ds Max and displays its parameters in a rollout at the bottom of the window:
VrayVFB – VRayVFB – When enabled, the render element appears in the V-Ray Frame Buffer.
Deep output – Specifies whether to include this render element in deep images.
– When Use node handle – When enabled, uses the node handle from 3ds Max to choose the color instead of the Render ID (node ID).
Save XML report– When enabled, an XML file is created that includes RenderID, NodeHandle, NodeName and RGB value for each object in the scene. Such a report can be useful for interpreting the render element image.
XML file– – Sets the location where the XML file is saved.