---
title: appAccountToken
framework: storekit
role: symbol
role_heading: Instance Property
path: storekit/transaction/appaccounttoken
---

# appAccountToken

A UUID that associates the transaction with a user on your own service.

## Declaration

```swift
let appAccountToken: UUID?
```

## Mentioned in

Generating a signature for promotional offers

## Discussion

Discussion You create an appAccountToken(_:) and send it to the App Store when a customer initiates an in-app purchase. The App Store returns the same value in appAccountToken in the transaction information after the customer completes the purchase.