How to attach concurrent program to request group using pl/sql script.

DECLARE

BEGIN

FND_PROGRAM.add_to_group

    (

     PROGRAM_SHORT_NAME  =>'XXHLFUSIONPHLFIINT'

    ,PROGRAM_APPLICATION =>'XXHL'

    ,REQUEST_GROUP       => 'US SHRMS Reports & Processes'

    ,GROUP_APPLICATION   =>'PER'

    ) ;   

  commit;

exception

    when others then

           dbms_output.put_line('Object already exists');

END;

/