code: public static base_responses update(nitro_service client, rnat6 resources[]) throws Exception {
  		base_responses result = null;
  		if (resources != null && resources.length > 0) {
  			rnat6 updateresources[] = new rnat6[resources.length];
  			for (int i=0;i<resources.length;i++){
  				updateresources[i] = new rnat6();
  				updateresources[i].name = resources[i].name;
  				updateresources[i].redirectport = resources[i].redirectport;
  			}
  			result = update_bulk_request(client, updateresources);
  		}
  		return result;
  	}
docs: Use this API to update rnat6 resources.