code: def enable_passive_svc_checks(self, service):
          
          if not service.passive_checks_enabled:
              service.modified_attributes |= \
                  DICT_MODATTR["MODATTR_PASSIVE_CHECKS_ENABLED"].value
              service.passive_checks_enabled = True
              self.send_an_element(service.get_update_status_brok())
docs: Enable passive checks for a service
          Format of the line that triggers function call::
  
          ENABLE_PASSIVE_SVC_CHECKS;<host_name>;<service_description>
  
          :param service: service to edit
          :type service: alignak.objects.service.Service
          :return: None