Abstract: The disclosure generally describes computer-implemented methods, computer readable mediums, and distributed systems for providing a message-based interface for exchanging customer requirement information. One method includes receiving, via a message-based interface derived from a common business object model that includes business objects having relationships enabling derivation of message-based interfaces and message packages, a first message for providing a notification of an update of product availability including a first message package hierarchically organized as a product available to promise update notification and fulfillment confirmation message entity and an accompanying set of specific, ordered packages, each including specifically ordered elements.

Abstract: A business object model, which reflects data that is used during a given business transaction, is utilized to generate interfaces. This business object model facilitates commercial transactions by providing consistent interfaces that are suitable for use across industries, across businesses, and across different departments within a business during a business transaction. In some operations, software creates, updates, or otherwise processes information related to a customer requirement business object.