To assign enter button as execute in selection screen

SELECTION-SCREEN: BEGIN OF LINE,
COMMENT 1(31) TEXT-002 FOR FIELD IN_YEAR MODIF ID A.
PARAMETERS: IN_YEAR(4) MODIF ID A. " a field
SELECTION-SCREEN PUSHBUTTON (20) execut USER-COMMAND execut MODIF ID A. "button!
SELECTION-SCREEN END OF LINE.
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AT SELECTION-SCREEN OUTPUT.
MOVE 'Execute' TO execut. "giving the button label
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AT SELECTION-SCREEN.

if sscrfields-ucomm eq 'EXECUT'.
sscrfields-ucomm = 'ONLI'. " this is the execute value passed!
endif.

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