You can enhance line item reports with custom fields. The R/3 System includes the following standard enhancements:
COOMEP01 CO-OM: Info System -> Line Items: Custom Fields
This enhancement includes the following components:
In contrast to modifications, enhancements apply to most releases because they are not part of the SAP original and reside in a namespace reserved for customers.
For more information on the use of enhancements, use the enhancement transaction CMOD by choosing "Utilities -> Online handbook" in the section "Function Exits".
For more information on the enhancement, see the enhancement documentation in CMOD by choosing "Display SAP documentation".