The Purchase Order is created in the Retail system and sent to the AFS system via an IDoc interface. Once the AFS system has received the IDoc, the corresponding Sales Order is generated in AFS.

• The message types used for transferring Purchase Orders are ORDERS (creation) and ORDCHG (change).
• The IDoc type used in the current version of the interface is ORDERS03.
• The materials involved in the Purchase Orders documents are referenced by their EAN/UPC codes.