code: protected base_response update_resource(nitro_service service,options option)  throws Exception
  	{
  		if (!service.isLogin() && !this.get_object_type().equals("login"))
  			service.login();
  		String sessionid = service.get_sessionid();
  		String request = resource_to_string(service, sessionid, option);
  		return put_data(service,request);
  	}
docs: Use this method to perform a modify operation on netscaler resource.
  @param service nitro_service object.
  @param option options class object.
  @return status of the operation performed.
  @throws Exception