code: protected static base_responses update_bulk_request(nitro_service service,base_resource resources[]) throws Exception
  	{
  		if (!service.isLogin())
  			service.login();
  
  		String id = service.get_sessionid();
  		Boolean warning = service.get_warning();
  		String onerror = service.get_onerror();
  		String request = service.get_payload_formatter().resource_to_string(resources, id, null, warning, onerror);
  		base_responses result = put_bulk_data(service, request);
  		return result;
  	}
docs: Use this method to perform an update operation on netscaler resources.
  @param service nitro_service object.
  @param resources  Array of nitro resources to be updated.
  @param option options class object
  @return status of the operation performed.
  @throws Exception Nitro exception is thrown.