```swift
import Appwrite

let client = Client()
    .setEndpoint("https://<REGION>.cloud.appwrite.io/v1") // Your API Endpoint
    .setProject("<YOUR_PROJECT_ID>") // Your project ID
    .setKey("<YOUR_API_KEY>") // Your secret API key

let users = Users(client)

let jwt = try await users.createJWT(
    userId: "<USER_ID>",
    sessionId: "<SESSION_ID>", // optional
    duration: 0 // optional
)

```