VALUE(E_BDS_TIMESTAMP) LIKE BAPISIGNAT-PROP_VALUE
REFERENCE(E_FUSER) LIKE BAPISIGNAT-PROP_VALUE
REFERENCE(E_DESCRIPTION) LIKE BAPISIGNAT-PROP_VALUE
REFERENCE(I_DESCRIPTION) LIKE BAPISIGNAT-PROP_VALUE OPTIONAL
REFERENCE(E_LUSER) LIKE BAPISIGNAT-PROP_VALUE