The LightRig object is a specialized Null object that represents a hierarchy composed of a Camera and its X3DObject interest object. Each is parented under the same root object i.e. the LightRig.

VBScript Example

'VBScript example
dim spotRig
set spotRig = ActiveProject.ActiveScene.Root.AddLightRig("Spot")
Application.LogMessage "Spot rig: " & TypeName(spotRig)

X3DObject.AddLightRig