Convert from spot color to custom CMYK value in Applescript

Question

I thought this would be very simple and it's not apparently. I am trying to convert a spot color into a custom CMYK value. Basically:
tell application "Adobe Illustrator"
          set theList to every path item of current document
          repeat with k from 1 to count of theList
                    if fill color of item k of theList = {name:"Dark Green"} then
                              set fill color of item k of theList to {cyan:0.0, magenta:100.0, yellow:0.0, black:0.0}
                    end if
          end repeat
end tell
But this script obviously doesn't work. From what I can tell, the fill color simply returns the tint of the item, not the name of it. I can't find anything that returns the name of a spot color so I can set the correct corresponding color. In the above example, I made the color obviously changed so I could visually see the result.
Any advice would be greatly appreciated! I'm a first time poster here.
Thanks!

Answer 1

tell application "Adobe Illustrator"
          tell current document
                    set theList to every path item
                    set sw to every swatch
                    repeat with i from 1 to count of sw
                              set swname to name of item i of sw
                              if swname = "Dark Green" then
                                        set swco to color of item i of sw
                                        repeat with k from (count of theList) to 1 by -1
                                                  set co to fill color of item k of theList
                                                  if swco = co then
                                                            set fill color of item k of theList to {cyan:0.0, magenta:100.0, yellow:0.0, black:0.0}
                                                  end if
                                        end repeat
                              end if
                    end repeat
          end tell
end tell