config.add. - Overview of the macOS Authorization Right

macOS 10.6 / 10.7 / 10.8 / 10.9 / 10.10 / 10.11 / 10.12 / 10.13 / 10.14

{
  'class' : 'allow',
  'comment' : 'Wildcard right for adding rights.  Anyone is allowed to add any (non-wildcard) rights.'
}