appwrite/app/sdks/nodejs/docs/examples/database/update-document.md

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

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

let database = new sdk.Database(client);

client
    .setProject('5df5acd0d48c2')
    .setKey('919c2d18fb5d4...a2ae413da83346ad2')
;

let promise = database.updateDocument('[COLLECTION_ID]', '[DOCUMENT_ID]', {}, [], []);

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