Function Modules and Customer Exits 
You can use function modules and customer exits to replace many existing batch input processes that are used in WM. Additionally, you can use these modules to combine several transactions into one simple screen or to enhance the current functionality of your system to meet the specific requirements of your organization.
This section contains the following topics:
Processing Transfer Requirements using Function Modules Processing Transfer Orders using Function Modules Customer Exits for Selecting Transfer Requirements Customer Exits for Creating and Confirming Transfer Orders Create/Confirm Transfer Orders Online or Via Update Programs
For a list of customer exits for the ALE interface, see the Cross Application documentation on
MM-MOB and WM-LSR Interfaces.