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# bundleSubscriptionGroupID

Identifies the subscription bundle group the transaction is for.

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

## Discussion> Note: Only for transactions of subscriptions included in a bundle.

---

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