Enhancement for reading and supplementing customer-defined fields in the automatically generated billing document.
Enables you to fill the customer-defined fields that are defined in include structures CI_ERCH for table
ERCH and CI_ERCHZ for table DBERCHZ. You can also access and change all the tables and fields that beong to the billing document.
You can use field ERCHZ-UNIMPORTANT to control whether or not to archive a document line item (among
other things). If you set this field subsequently, this document line item is saved in the tables DBERCHZ5 through DBERCHZ8, which are not archived.