define_contactgroups = True
 host_contactgroups = [
   ("administrators", ALL_HOSTS),
 ]
 contacts.update(
   {
     "hhirsch": {
       "alias":"Harry Hirsch",
       "contactgroups":[ "administrators" ],
       "email":"h.hirsch@localhorst.localdomain",
       "notification_method":"email",
       "host_notification_options":"dufr",
       "service_notification_options":"wucrf",
     },
   },
 )