appwrite/app/sdks/node/docs/examples/locale/get-countries-e-u.md

const sdk = require('node-appwrite');

// Init SDK
let client = new sdk.Client();

let locale = new sdk.Locale(client);

client
    .setProject('')
    .setKey('')
;

let promise = locale.getCountriesEU();

promise.then(function (response) {
    console.log(response);
}, function (error) {
    console.log(error);
});