code: def enable_host_flap_detection(self, host):
          
          if not host.flap_detection_enabled:
              host.modified_attributes |= \
                  DICT_MODATTR["MODATTR_FLAP_DETECTION_ENABLED"].value
              host.flap_detection_enabled = True
              self.send_an_element(host.get_update_status_brok())
docs: Enable flap detection for a host
          Format of the line that triggers function call::
  
          ENABLE_HOST_FLAP_DETECTION;<host_name>
  
          :param host: host to edit
          :type host: alignak.objects.host.Host
          :return: None