code: def process_service_output(self, service, plugin_output):
          
          self.process_service_check_result(service, service.state_id, plugin_output)
docs: Process service output
          Format of the line that triggers function call::
  
          PROCESS_SERVICE_OUTPUT;<host_name>;<service_description>;<plugin_output>
  
          :param service: service to process check to
          :type service: alignak.objects.service.Service
          :param plugin_output: plugin output
          :type plugin_output: str
          :return: None