---
title: bundleProductID
framework: storekit
role: symbol
role_heading: Instance Property
path: storekit/transaction/bundleproductid
---

# bundleProductID

Identifies the bundle product the transaction is for. If this transaction is created as a result of a subscription bundle purchase or renewal, this field will be populated with the product ID of the bundle.

## Declaration

```swift
@backDeployed(before: iOS 27.0, macOS 27.0, tvOS 27.0, watchOS 27.0, visionOS 27.0)
var bundleProductID: String? { get }
```