Free gift promotions currently support all items with the exception of parent matrix items. For example, if you have a parent matrix item called Basic T-shirt that has child items for different sizes, the Basic T-shirt cannot be selected as a free gift item. You can however, define one of the child items, such as Basic T-shirt: Medium as the free gift item for your promotion.
Free gift promotions are limited to only one free gift item per promotion.
You cannot replace the free gift item added to a transaction by a free gift promotion with a different item. You cannot change the quantity of the free gift item added to a transaction by a free gift promotion. You can reject the free gift by clicking the Remove button to discard it from the transaction.