Drawing BPMN conversation diagram

Modeling

1. Start BP-VA.
2. Create a new project Logistic system.
3. In the Diagram Navigator, expand the category Business Process Modeling, right click on the tree node Converation Diagram and select New Conversation Diagram from the popup menu.
   
4. Select Participant in diagram toolbar.
   
5. Click on the diagram to create an instance of participant. Name it as Retailer.
   
6. Move the mouse pointer to the participant Retailer, press on the resource icon Sub-Conversation Link -> Participant and drag towards the right hand side.
   
7. Name the participant Supplier and press Enter. Then name the communication Delivery Negotiations and press Enter to confirm.
   
8. Select Participant in diagram toolbar. Click below sub-conversation link Delivery Negotiations to create a participant. Name it as Consignee.
   
9. Move the mouse pointer to participant Consignee, press on the resource Conversation Link and drag to participant Retailer. Name the communication Delivery/Dispatch Plan.
   
10. Repeat the previous step to make Consignee converse with Supplier. Name the communication Shipment Schedule.
    
11. Make use of the resource centric interface to create participant Shipper from Supplier, which conversation link in between.
    
12. Repeat the previous step to create a new participant Insurance from Shipper.
    
13. Right click on the link and select Model Element Properties > Multiple Connections from the popup menu.
    
14. Make use of the techniques described to finish the diagram. The result should look like:
    
15. Right click on the participant Carrier (Land, Sea, Rail, or Air) and select Open Specification... from the popup menu.
    
16. Press on the drop down menu of Participant and select Create Participant... from the popup menu.
    
17. In the Participant Specification, select Participant Multiplicity as Multiplicity and click OK to confirm. Click OK to close the Pool specification.
    
18. Here is the end result: