Openbravo POS Mod. Load ticket when select product

Please be familiar with Openbravo POS to bid. I need 2 codes 1. Add 2 fields in [login to view URL], Request code and Return Code. Request code base on mac address (I've already done), Return code is for user input. I need someone compare them, show message when Return != f(Request) 2. When add product, I need code to recall a predefine ticket number in product name. Such product name as 147#Capuchino, means when select that, it calls ticket 147 for product and qty. Please see attachment for details