Hello again,
I have not really solved the problem I had a couple of hours ago. Maybe someone can help me to understand why this program does not work.
REPORT Z_TEST_FUNKTIONSMODUL.
DATA: it_order TYPE STANDARD TABLE OF VPKVBAKTTYP.
DATA: wa_order TYPE VBAK.
wa_order-vbeln = '5100000'.
CALL FUNCTION '/SAPNEA/SMAPI_ORDER_GETDETAIL'
EXPORTING
PI_ORDER_HEADER = wa_order
PI_PARVW =
PI_PRICE_CONDITION1 = 'PR00'
PI_PRICE_CONDITION2 =
PI_PRICE_CONDITION3 =
PI_TAX_CONDITION =
PI_UNIT_SPLIT = 50
PI_TEXT_ID = '0001'
PI_LANGUAGE = SY-LANGU
IMPORTING
PO_ORDER_HEADER =
RETURN =
TABLES
POT_ORDER_ITEM = it_order.