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They are discussing - or I thought so -  how to make a mesh object a light object, which would work nicely (I would think) for something like your brazier object.

You can see if it is down while defining a point light in Poser. Export. In the lxo file -on top- the lights are defined. A pointlight is actually converted to an area-light with a "build-in" primitive geometry from Lux named "sphere".

# start light "Light 2"
AttributeBegin
 TransformBegin
  Translate 1.90746486187 190.746490479 19.0746498108
  AreaLightSource "area"
   "color L" [1.0 1.0 1.0]
   "float gain" [0.639999985695]
   <span style="color:rgb(255,153,0);">Shape "sphere" "float radius" [0.0654069767442]</span>
  TransformEnd
AttributeEnd

The shape-statement can be replaced with any other geometry.

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