Hi Vishwaswaroop,
There is no MTART on MB5B selection screen. My suggestion is while calling standrd program using SUBMIt statement, pass the selection table by filtering material type.
Below program will pass all materials with MTART XYZ to std program.
DATA: rspar TYPE TABLE OF rsparams,
wa_rspar LIKE LINE OF rspar.
DATA: it_mara TYPE TABLE OF mara,
wa_mara TYPE mara.
SELECT * FROM MARA INTO TABLE it_mara
WHER MTART = 'XYZ.
LOOP AT it_mara INTO wa_MARA.
wa_rspar-selname = 'MATNR-LOW'.
wa_rspar-kind = 'S'.
wa_rspar-sign = 'I'.
wa_rspar-option = 'EQ'.
wa_rspar-low = wa_mara-matnr
APPEND wa_rspar TO rspar.
ENDLOOP.
SUBMIT RM07MLBD WITH SELECTION-TABLE rspar AND RETURN.