code: public static syslog_server[] get_filtered(nitro_service service, filtervalue[] filter) throws Exception
  	{
  		syslog_server obj = new syslog_server();
  		options option = new options();
  		option.set_filter(filter);
  		syslog_server[] response = (syslog_server[]) obj.getfiltered(service, option);
  		return response;
  	}
docs: Use this API to fetch filtered set of syslog_server resources.
  set the filter parameter values in filtervalue object.