-> Click on Menu > Definitions > Stock Details > Menu Definitions.
-> Click on Find Stock.
-> Select your menu.
-> After that, Click on add from stock button and select your products. (These products/stocks are defined in Wolvox ERP).
-> Select BURGER MENU , click on OK then click on save.
-> After that, click on add new product and again click on add from stock button and do the same thing.
-> Add from stock for DRINKS.
-> After that, select DRINKS. Furthermore, select "Ask Alternative..." option and then click on "Alternative Definitions for This Menu".
-> Add Cola and Fanta and saved. (You can add different drinks , it's up to you.)
Finally, you will click on the BURGER MENU , program shows you alternative stocks about drinks.