VALUE(I_IDOC_NUMBER) LIKE EDIDD-DOCNUM OPTIONAL
REFERENCE(I_DOCNUM) LIKE EDIDD-DOCNUM
VALUE(I_DOCUMENT_NUMBER) LIKE EDIDD-DOCNUM
VALUE(DOCNUM) LIKE EDIDD-DOCNUM
REFERENCE(DOCNUM_IV) LIKE EDIDD-DOCNUM
REFERENCE(I_DOCNUM) TYPE EDIDD-DOCNUM