Purchase History – Value ProductsOffer free gifts based on the total value of specific products the customer has previously purchased VariationsRestrict giveaways based on the total value of specific product variations the customer has bought CategoriesTrigger free gifts if the customer has spent a certain amount on products from specific categories TagsLimit free gifts based on the total value of products with specific tags the customer has purchased AttributesOffer giveaways if the customer has spent a certain amount on products with specific attributes