appwrite/app/sdks/node/docs/examples/storage/update-file.md

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

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

let storage = new sdk.Storage(client);

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

let promise = storage.updateFile('[FILE_ID]', [], []);

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