You use A2X services to model synchronous accesses (from a UI component, for example) to process component data. SAP models accesses like these using interface patterns.
Decide which interface pattern best suits your use case. Choose from the following interface patterns:
Manage Business Process Object: Interface pattern for modeling application accesses that do not need to be persisted.
Manage Master Data Object: Interface pattern for modeling access to master data objects.
Query Business Object: Interface pattern to model the search for data records.
Business Object Action: Interface pattern to model the execution of operations on data that is predefined in a business object (BO).
Use the interface pattern to set the names of the operations and service interfaces. Use spaces between the parts of the name to make the names more legible in the modeling.
Example
The standardized name of a service interface that accesses a Sales Orderbusiness process object is Manage Sales Order In. The space disappears if you later create the specified service interface for this modeled service interface. The specified service interface in the ES Repository would also be called ManageSalesOrderIn.