The following SAP enhancement is available for
unit costing:
This enhancement allows you to use data in unit costing (such as materials in a non-SAP system or information from purchasing) that cannot be handled with the existing item categories (such as internal activities, materials, or services).
This enhancement contains the following components:
Unlike modifications, enhancements are always
upgrade-compatible because they are implemented in a name range reserved for
the customer rather than in the SAP original.
The general procedures for creating enhancements can be found in the enhancement transaction in the menu path Utilities - Online Manual
Each enhancement is documented. You can access this documentation with the button Documentation in the enhancement transaction.