Another function module that is used frequently is 'POPUP_TO_CONFIRM' it is used as follows.
REPORT ZEX_POPUPTOCONFIRM .
*-------------------------Data Declaration-----------------------------*
Data: d_response(1). " Response from popup
CALL FUNCTION 'POPUP_TO_CONFIRM'
EXPORTING
TITLEBAR = 'Create Sales Order '
* DIAGNOSE_OBJECT = ' '
TEXT_QUESTION = 'Create sales order?'
TEXT_BUTTON_1 = 'YES'(001)
* ICON_BUTTON_1 = ' '
TEXT_BUTTON_2 = 'NO'(002)
* ICON_BUTTON_2 = ' '
* DEFAULT_BUTTON = '1'
DISPLAY_CANCEL_BUTTON = 'X'
* USERDEFINED_F1_HELP = ' '
* START_COLUMN = 25
* START_ROW = 6
* POPUP_TYPE =
IMPORTING
ANSWER = d_response
* TABLES
* PARAMETER =
EXCEPTIONS
TEXT_NOT_FOUND = 1
OTHERS = 2
.
IF SY-SUBRC <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.