appwrite/docs/examples/1.8.x/server-kotlin/kotlin/account/update-prefs.md

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

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

val account = Account(client)

val response = account.updatePrefs(
    prefs = mapOf(
        "language" to "en",
        "timezone" to "UTC",
        "darkTheme" to true
    )
)