How attach concurrent program to request group

BEGIN
FND_PROGRAM.add_to_group('XYZ_ABC_EMPLOYEE' -- program_short_name
, 'XYZ' -- application
, 'XYZ Group' -- Report Group Name
, 'XYZ'); -- Report Group Application

END;

example...
begin
FND_PROGRAM.add_to_group('XXPONEEDBY',
                         'Purchasing',
                         'Application Developer Reports',---request group name  FND_REQUEST_GROUPS
                         'Purchasing');
                         commit;
                         end;