Problem with a selection

hi gusy, I'm new with maxscripts & I've a little problem.

I'm don't know how to use a selection a made

/*my selection*/

on selectButton pressed do

(

obj = selectByName title:"Select Light" single:true selectButton.text =obj.name

LightSelection = obj

)

/*how can I use this selection below?*/

on CopyButton pressed do

(

for i = 1 to count.value do

(

instance $ name: .............

thx in advance

Ben