Following flowchart shows the use case scenario. An end client submits the purchase order to a bpel process. If the amount is greater than $200 then bpel process invokes an operation on WLMSE. WLMSE executes the logic defined in task definition file corresponding to the operation it implements.
User logs in to Worklist Web application and completes the task. Once the task is completed,WLMSE sends user's completed response to bpel process. Bpel process after receiving the response from WLMSE, reply back to end client.