code: public static base_responses update(nitro_service client, bridgegroup resources[]) throws Exception {
  		base_responses result = null;
  		if (resources != null && resources.length > 0) {
  			bridgegroup updateresources[] = new bridgegroup[resources.length];
  			for (int i=0;i<resources.length;i++){
  				updateresources[i] = new bridgegroup();
  				updateresources[i].id = resources[i].id;
  				updateresources[i].ipv6dynamicrouting = resources[i].ipv6dynamicrouting;
  			}
  			result = update_bulk_request(client, updateresources);
  		}
  		return result;
  	}
docs: Use this API to update bridgegroup resources.