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# version

A string that indicates the notification’s App Store Server Notifications version number.

```
string version
```

## Discussion

The version string is `“2.0”`. It’s present in [`responseBodyV2DecodedPayload`](/documentation/AppStoreServerNotifications/responseBodyV2DecodedPayload) for version 2 notifications.

For more information about App Store Server Notification changes, see [App Store Server Notifications changelog](/documentation/AppStoreServerNotifications/app-store-server-notifications-changelog).

---

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