How to configure a Custom Workflow monitor Agent with Custom Workflow Process Manager with a Customi

Hi All,

Can any one let me know the possibility of configuring workflow process manager comp with a customized user for triggering Custom workflowaction agent, so that workflow process manager runs with the new user when invoked  from that Custom workflow action agent.

Actually the problem is: I am Invoking the policy when the particular fields like name, phone number etc. is updating in Siebel with some users including 'SADMIN' , then Calling the external system and taking the entire response and updating it in Siebel back after positive response. Because of the Out of Box Workflow Process manager which runs with User SADMIN,the response update is again triggering the Original Policy and this is going on in Infinite loop. So i am looking for a solution like creating a custom Worklow Process Manager with Custom User(other than SADMIN user ) and configure