The purpose of the GetCustomerPurchaseOrder Business Object Document is to Get receipt of the Purchase Order and to reflect any changes. Commonly, the acknowledgment is generated by an order management application and transmitted to a purchasing or procurement application. Is the place in which the information that the BOD message carries is provided. In this case GetCustomerPurchaseOrder. The information consists of a Verb and one or more Nouns. The verb (Get) indicates the action to be performed on the Noun (CustomerPurchaseOrder).