혹시 필요하신분들은 참조하세요.
CLEAR: gt_spagpa, gt_spagpa[].
gt_spagpa-parid = 'BUK'.
gt_spagpa-parval = gt_main-bukrs.
APPEND gt_spagpa. CLEAR gt_spagpa.
gt_spagpa-parid = 'BLN'.
gt_spagpa-parval = gt_main-belnr.
APPEND gt_spagpa. CLEAR gt_spagpa.
gt_spagpa-parid = 'GJR'.
gt_spagpa-parval = gt_main-gjahr.
APPEND gt_spagpa. CLEAR gt_spagpa.
CALL FUNCTION 'ABAP4_CALL_TRANSACTION'
STARTING NEW TASK 'TEST'
DESTINATION 'NONE'
EXPORTING
tcode = 'FB03'
skip_screen = 'X'
TABLES
spagpa_tab = gt_spagpa
EXCEPTIONS
communication_failure = 1
system_failure = 2.