Thank you replying Raymond.
Tried but not clearing.
Kindly see the steps i used .
In User command.
MODULE USER_COMMAND_0100 INPUT.
CASE OK_CODE.
WHEN 'EXE'. " After selecting pushbutton.
CLEAR OK_CODE.
ENDCASE.
ENDMODULE.
After clicking scrolling ok_code is filled with 'EXE'.
Regards,
Venkat.