why? what should I do?

trying to copy previous slide in a slideshow and paste it in other dopcument using a button action

here’s my scirpt application


tell application “Microsoft PowerPoint”
activate
go to previous slide slide show view of slide show window 1
set this_slide to slide of view of document window 1
copy object this_slide
paste object of the view of document window 2
end tell

its pasting the slide view slide and not the slideshow slide

Spent too much time trying to figure it out. Please help me.