Here is a script + trigger that makes it possible to buy products in game.
The script is based on the fs2011 mapfruitTrigger by Heady.
The folder contains:
the BuyTrigger.zip that goos in your modfolder.
the IMT_BuyTrigger.i3d and IMT_BuyTrigger.i3d.shapes for placing in your maps with GE.
A folder called 'particleSystem' that goos in yourEditMap .
C:\Users\User\Documents\My Games\FarmingSimulator2013\mods\yourEditMap\map\particleSystems .
to use the trigger read the 'readme' file inside.
-- > Copyright (C) jengske_BE - www.fs-uk.com - www.international-modding.eu< --
-- this is a beta version use the support topic to improve the script.
-- free to use
2011 'MAPFRUITTRIGGER': Heady
2013 'BuyTrigger': jengske_be