Code :
REPORT ZVP_MOD_MACRO.

*------------------------------START OF MACRO DEFINITION--------------------------------------*
DEFINE MAC_NAME.
  WRITE: 'YOU HAVE CLICKED WITH MACRO : &1'.
END-OF-DEFINITION.
*------------------------------END OF MACRO DEFINITION--------------------------------------*

PARAMETERS: RB1 RADIOBUTTON GROUP RBG DEFAULT 'X',
            RB2 RADIOBUTTON GROUP RBG,
            RB3 RADIOBUTTON GROUP RBG.

START-OF-SELECTION.
  IF RB1 = 'X'.
    MAC_NAME 1.
  ELSEIF RB2 = 'X'.
    MAC_NAME 2.
  ELSEIF RB3 = 'X'.
    MAC_NAME 3.
  ENDIF.

Output :
YOU HAVE CLICKED WITH MACRO : 1

IDE Used To Test This Code : SAP GUI 750

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