This is a BPMN diagram example for to-be process modeling.
Once the business process of your existing operation has been created, you can then derive the to-be process model by considering and projecting the necessary improvements or changes needed to be made based on the existing to-be process. Walk through the steps in this tutorial to see how things work.
You can then compare the changes in As-is Process and To-be Process (visit here to see a complete tutorial)
Posted by: Jason Voss