This page provides information on the Box Node in V-Ray for Blender.
Overview
UI Path
||Node Editor|| > Add > Geometry > Box
Node
Geometry – An output slot for the Box material.
Parameters
Is Volumetric – Enable when the camera is inside the box.
Size X – The size in the X direction.
SIze Y – The size in the Y direction.
Size Z – The size in the Z direction.