code: @Help(help = "Get all the VirtualNetworkFunctionRecords of NetworkServiceRecord with specific id")
    public List<VirtualNetworkFunctionRecord> getVirtualNetworkFunctionRecords(final String id)
        throws SDKException {
      String url = id + "/vnfrecords";
      return Arrays.asList(
          (VirtualNetworkFunctionRecord[]) requestGetAll(url, VirtualNetworkFunctionRecord.class));
    }
docs: Returns a List of all the VirtualNetworkFunctionRecords that are contained in a
  NetworkServiceRecord.
  
  @param id ID of the NetworkServiceRecord
  @return the List of VirtualNetworkFunctionRecords
  @throws SDKException if the request fails