In Transportation, there are enhancements that you can use with transaction CMOD.
For a detailed description of the individual enhancements, see the documentation on the individual enhancements or function modules in transaction SMOD.
You can display all enhancements that are available for the area of transportation by choosing F4 in the Enhancement field. Enter V56* in the Enhancement field and choose Execute . Enter V54* to get a list of all enhancements for the area of shipment cost processing.