'Update the service\'s ``forced_down`` field specified by the
service UUID ID.
:param service_uuid: The UUID ID of the service.
:param force_down: Whether or not this service was forced down manually
by an administrator. This value is useful to know that some 3rd
party has verified the service should be marked down.'

@api_versions.wraps('2.53')
def force_down(self, service_uuid, force_down):

    return self._update(('/os-services/%s' % service_uuid), {'forced_down': force_down}, 'service')
