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SAP Vehicle Sales and Service's (SAP VSS) order processing function keeps the service or parts advisor informed about existing up-selling or cross-selling options for items such as labor values, parts, delivery parts, or packages. You can access the order processing function either directly in the system or using the SAP NetWeaver Business Client (NWBC)VSS Fiori Apps. For more information, see Defining Up-selling or Cross-selling Options.