Importing Operation Mappings (PI) 
You can import graphical, XSLT, and Java operation mappings defined in the ES Repository of SAP NetWeaver Process Integration (PI) and assign them to automated activities in your BPM process.
Caution
Value and parametrized mappings are not supported.
You have installed the Process Integration and Orchestration Package.
You have configured the ES Repository in the SAP NetWeaver Developer Studio. For more information, see Working with Enterprise Services in SAP NetWeaver Developer Studio
You have defined operation mappings in the ES Repository.
You have opened the Process Development perspective in the Developer Studio and have expanded your project in Project Explorer view.
Expand Process Modeling, then expand Operation Mappings (PI).
In the context menu, choose Import Operation Mapping....
In the dialog box that appears, enter the user name and password for the system on which the ESR is installed.
SAP NetWeaver Developer Studio connects to the ESR. The Enterprise Service browser is populated with content.
Expand your software component, namespace and operation mappings, choose an operation mapping to import and choose the Finish pushbutton.
The operation mapping appears in the Operation Mappings (PI) folder and the WSDL file in the WSDL Files folder below.
You can assign the operation mapping to an automated activity in your process.
Note
You cannot assign operation mappings to message start events or intermediate message events.