The return item will be the item used when refunding the deposited object (ecocup, cards, wristbands, etc.) so it will credit the amount of the deposit on the cashless tag used for the purchase.
The type of the article must be configured as a refund type. The price must match the deposit item
The type of the article must be configured as a Return type. In this way the refund can only take place if the cashless tag has paid an equivalent amount in a deposit.