help in dialog programming

hello gurus,

i need help in getting started with IT asset tracking in module pool programming.. My requirement is, there's barcode on CPU, whenever it get scanned, the location of CPU, it's number should get displayed.. Gui is then converted to SAPconsole, this part is not at all a big deal.. but i am unaware of asset tracking scenario.. Any link that explains me in detail of above, please send in?

Regards,

vikram..