import io.appwrite.Client
import io.appwrite.coroutines.CoroutineCallback
import io.appwrite.services.Messaging

val client = Client()
    .setEndpoint("https://cloud.appwrite.io/v1") // Your API Endpoint
    .setProject("5df5acd0d48c2") // Your project ID
    .setJWT("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ...") // Your secret JSON Web Token

val messaging = Messaging(client)

val response = messaging.deleteSubscriber(
    topicId = "[TOPIC_ID]",
    subscriberId = "[SUBSCRIBER_ID]"
)