appwrite/docs/examples/1.2.x/client-apple/examples/databases/update-document.md

import Appwrite

let client = Client()
    .setEndpoint("https://cloud.appwrite.io/v1") // Your API Endpoint
    .setProject("5df5acd0d48c2") // Your project ID

let databases = Databases(client)

let document = try await databases.updateDocument(
    databaseId: "[DATABASE_ID]",
    collectionId: "[COLLECTION_ID]",
    documentId: "[DOCUMENT_ID]"
)