I_T_FIELDS STRUCTURE RSFIELDSEL OPTIONAL
I_T_FIELDS STRUCTURE RSFIELDSEL
T_FIELDS STRUCTURE RSFIELDSEL OPTIONAL
VALUE(I_FIELDNM) LIKE RSFIELDSEL-FIELDNM
I_T_FIELD_SEL STRUCTURE RSFIELDSEL OPTIONAL
I_T_FIELD STRUCTURE RSFIELDSEL OPTIONAL