appwrite/docs/examples/1.7.x/server-dart/examples/storage/update-file.md

import 'package:dart_appwrite/dart_appwrite.dart';

Client client = Client() .setEndpoint('https://.cloud.appwrite.io/v1') // Your API Endpoint .setProject('<YOUR_PROJECT_ID>') // Your project ID .setSession(''); // The user session to authenticate with

Storage storage = Storage(client);

File result = await storage.updateFile( bucketId: '<BUCKET_ID>', fileId: '<FILE_ID>', name: '', // (optional) permissions: ["read("any")"], // (optional) );