User Exits are Changing which make of program and routine if standard customizing can't fullfil requirement.

Uses several Customer Exits as follows:
- MBCF0002: used to check the completeness of data during transactions such as goods movement in MIGO.
- MBCF0007: used to check the completeness of data at the time of manufacture or changes in reservation
- MB_CF001: used to send information at the end of the document-making materials
- MWMRFSSG: used to determine the order of TO when using RF.
- MWMRP001: used to determine the calculation of the need for replenishment.
- MWMRP002: used to determine the final amount of replenishment.
- MWMTO001: used to check the completeness of data at the end of making the transfer order.
- MWMTO002: used to check the completeness of data at the end of the transfer order confirmation process.
- MWMTO003: used to determine the strategy putaway.
- MWMTO007: paletisasi used to determine when putaway.
- MWMTO008: used to determine the storage type search sequence during picking.
- MWMTO12: used to determine the TO Split.
- PACKMODI: used to determine the automatic packing process.