is it possible to assign a digit to the item and istead for searching for the item, if you would insert the number and the item might appear on your list for billing. is this possible.
You bean like a barcode?
@Anand_Paul Absolutely even you dont need to assign in menu when you create a product give a number in barcode tab , thats it when you type it it will appear in billing,but may not work with order tags if you have some not sure .