‘Customer Field’ in Item Lookup in handheld Device

The Item Lookup option is used for searching the available quantity of the item in a store.

The purpose of this field "Customer" on Item lookup screen in the Handheld app, is to display the customerwise pricing for that item.

If any customer having a separate price list attached, then you can see the price of the selected item according to that attached Price list for that customer on this Item Lookup screen.