PRELIMINARY_POSTING_FB01 is a standard SAP function module that performs functionality. This is available within standard R/3 SAP systems depending on version and release level.
Below are the pattern details for this FM showing its interface including any import, export and tables parameters. There is also a list of Exceptions and for your convenience any standard documentation available. All this information and more can also be viewed if you enter the function module name PRELIMINARY_POSTING_FB01 into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'PRELIMINARY_POSTING_FB01' " * EXPORTING * text_item_update = SPACE " boole-boole Data Element for BOOLE Domain: TRUE (='X') and FALSE (=' ') * i_xcmpl = SPACE " xfeld Checkbox * i_tcode = 'FB01' " t020-tcode ABAP Program, Current Transaction Code * i_pargb = " rf05a-pargb Business Partner's Business Area * i_tcode_int = " tcode Transaction Code IMPORTING xepbbp = " xfeld Checkbox * TABLES * t_bkorm = " bkorm Accounting correspondence requests * t_thead = " thead SAPscript: Text Header * t_splttab = " acsplt Carrier for Split Information re: Current Account Line Items * t_spltwt = " with_itemx Auxiliary structure for table WITH_ITEM . " PRELIMINARY_POSTING_FB01