Below are the steps about how to modify the Oracle Standard Order Header workflow and add Booking as Deferred Process.
1. Oracle Standard Order Header Workflow
2.Oracle Standard Booking Process.
3.Navigate to Workflow , and select Book Order Deferred Process.
4.Review the - Oracle Standard Book (Order) as Deferred Process.
5Now Navigate to workflow Navigator Window and Select and Copy the Oracle Standard Order Header Process and rename it.
6.Drag and drop the Oracle Standard Booking as Deferred Sub-Process in the Process Created in Step#5.