When posting accrual document through BAPI_ACC_GL_POSTING_POST to FBS1 - reveral date (BKPF-STODT) can be passed using table EXTENSION1 of the BAPI. (Note - Similarly any other field not passed by BAPI can be passed ) In case EXTENSION1 table is not present in the BAPI - check OSS [Note 487722 - Using EXTENSION1 for accounting BAPIs]
Implementing CMOD/SMOD exit ACBAPI01 with enhancement structure EXTENSION1:
Transaction CMOD: Select your project or create one.Assign enhancement ACBAPI01 to the project.You can branch to the source code via "Components".Navigate to function module EXIT_SAPLACC4_001.This function module indicates the parameters that are available to change the document.In INCLUDE ZXACCU15 (Customer namespace), carry out your implementation as an ABAP program.
In INCLUDE ZXACCU15 - add your code to populate the new field - reversal dat in this case
DATA: wa_ext LIKE extension.
READ TABLE extension INTO wa_ext WITH KEY field1 = 'STODT'.
IF sy-subrc EQ 0.
LOOP AT t_accit.
t_accit-stodt = wa_ext-field2.
MODIFY t_accit.
ENDLOOP.
ENDIF.
ENDLOOP.
When calling the BAPI in your main program - populate t_extension table's FIELD1 with i.e. STODT in this case and FIELD2 with i.e. reversal date in this case
***** Add reversal date
wa_extension-field1 = 'STODT'.
wa_extension-field2 = l_date.
APPEND wa_extension TO t_extension1.
**** Calling BAPI to post the document
CALL FUNCTION BAPI_ACC_GL_POSTING_POST
EXPORTING
documentheader = wa_documentheader
IMPORTING
obj_key = g_objkey
TABLES
accountgl = t_accountgl
currencyamount = t_currencyamount
return = t_return
extension1 = t_extension1.
