The following messages are defined in the base ATG Commerce layer.
atg.commerce.fulfillment.SubmitOrderatg.commerce.promotion.PromotionUsedatg.commerce.promotion.ActivePromotionMessageatg.commerce.gifts.GiftPurchasedatg.commerce.inventory.InventoryThresholdReachedatg.commerce.order.ItemAddedToOrderatg.commerce.order.ItemRemovedFromOrderatg.commerce.promotion.ScenarioAddedItemToOrderatg.commerce.order.ItemQuantityChangedatg.commerce.pricing.PriceChangedatg.commerce.order.SwitchOrderatg.commerce.order.OrderSaved
