Notifying the Order Creator(PM-WOC-MO) 
Purpose
You use this workflow if you want the creator of a maintenance order to be notified when the maintenance order is opened or released, or when final confirmation, technical completion, or business completion is performed for it. By using this workflow, the author is always able to:
This scenario has been implemented in the standard system for the application component Plant Maintenance (PM). You can also use it for the component Service Management (SM). To do this, you can copy this scenario and change the check for maintenance orders into a check for service orders.
Prerequisites
You can only implement this workflow if you use maintenance or service orders in your system.
To be able to use the workflow successfully, you must have made all the necessary settings for it in your R/3 System.
Process Flow