code: def enable_host_svc_notifications(self, host):
          
          for service_id in host.services:
              if service_id in self.daemon.services:
                  service = self.daemon.services[service_id]
                  self.enable_svc_notifications(service)
                  self.send_an_element(service.get_update_status_brok())
docs: Enable services notifications for a host
          Format of the line that triggers function call::
  
          ENABLE_HOST_SVC_NOTIFICATIONS;<host_name>
  
          :param host: host to edit
          :type host: alignak.objects.host.Host
          :return: None