My program does not work. Anybody who understands why?
REPORT Z_TEST_FUNKTIONSMODUL
*The function module get information about the order.
.
DATA: it_order TYPE STANDARD TABLE OF /SAPNEA/MR3_ORDER_ITEM.
DATA: wa_order TYPE /SAPNEA/MR3_ORDER_HEADER.
wa_order-SALESDOCUMENT = '0005100000'.
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 = wa_order
RETURN = it_order
TABLES
POT_ORDER_ITEM = it_order.
Data: wa_result LIKE LINE OF it_order.
LOOP AT it_order INTO wa_result.
WRITE: 'wa_order-MATNR'.
ENDLOOP.