appwrite/docs/examples/1.0.x/console-web/examples/databases/create-index.md

import { Client, Databases } from "appwrite";

const client = new Client();

const databases = new Databases(client);

client .setEndpoint('https://[HOSTNAME_OR_IP]/v1') // Your API Endpoint .setProject('5df5acd0d48c2') // Your project ID ;

const promise = databases.createIndex('[DATABASE_ID]', '[COLLECTION_ID]', '', 'key', []);

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