code: public static dnssuffix[] get_filtered(nitro_service service, String filter) throws Exception{
  		dnssuffix obj = new dnssuffix();
  		options option = new options();
  		option.set_filter(filter);
  		dnssuffix[] response = (dnssuffix[]) obj.getfiltered(service, option);
  		return response;
  	}
docs: Use this API to fetch filtered set of dnssuffix resources.
  filter string should be in JSON format.eg: "port:80,servicetype:HTTP".