PowerDesigner supports all the objects necessary to build process service diagrams.
| 
                             Object  | 
                             Tool  | 
                             Symbol  | 
                             Description  | 
|---|---|---|---|
| 
                             Service provider  | 
                             | 
                             | 
                             Service that gathers a set of service interfaces and operations. For more information, see Service Providers (BPM).  | 
| 
                             Traceability Link  | 
                             | 
                             | 
                             Unidirectional link between two service providers to specify a dependency (documentation purposes only).  |