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# NSPersistentStoreRemoteChange

A notification that posts after another process writes to a persistent store.

```
static let NSPersistentStoreRemoteChange: NSNotification.Name
```

## Discussion

This notification’s `object` is the changed store coordinator. The framework posts the notification to a private thread. Move to a known thread before peforming any work.

The `userInfo` dictionary contains the store’s URL, the store’s unique identifier, and the transaction’s history token, which you access with the <doc://com.apple.documentation/documentation/CoreData/NSPersistentStoreURLKey>, <doc://com.apple.documentation/documentation/CoreData/NSStoreUUIDKey>, and <doc://com.apple.documentation/documentation/CoreData/NSPersistentHistoryTokenKey> keys. It’s safe to capture the dictionary’s contents.

---

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