CALL FUNCTION 'BAPI_AR_ACC_GETKEYDATEBALANCE'
EXPORTING
companycode = companycode
customer = customer
keydate = keydate
TABLES
keybalance = keybalance.
CALL FUNCTION 'BAPI_AP_ACC_GETKEYDATEBALANCE'
EXPORTING
companycode = companycode
vendor = vendor
keydate = keydate
TABLES
keybalance = keybalance.