code: public static aaapreauthenticationparameter get(nitro_service service,  options option) throws Exception{
  		aaapreauthenticationparameter obj = new aaapreauthenticationparameter();
  		aaapreauthenticationparameter[] response = (aaapreauthenticationparameter[])obj.get_resources(service,option);
  		return response[0];
  	}
docs: Use this API to fetch all the aaapreauthenticationparameter resources that are configured on netscaler.