How to add Responsibility From Back End

how to add responsibility from back end

begin
--fnd_user_pkg.addresp(
--        ‘&user_name’, /*application user name */
--        ‘&responsablity_application_short_name’, /*get from query below */
--        ‘&responsibility_key’,/*get from query below */
--        ‘&security_group’, /* most of cases it is ‘standard’ so you can hard code it */
--        ‘&description’, /* any comments you want */
--        ‘&start_date’, /* sysdate from today */
--        ‘&end_date’ ); /* sysdate + 365 rights for next one year*/
    
fnd_user_pkg.addresp ('user_name','sysadmin','system_administrator','standard','add responsibility to user using pl/sql',sysdate-1,sysdate + 100);    
commit;
dbms_output.put_line('responsibility added successfully to the user ');
exception
        when others then
                dbms_output.put_line(' responsibility adding failed due to' || "sqlcode" || substr(sqlerrm, 1, 100));
                rollback;
end;