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# CKSyncEngineFetchChangesContext

The context of an attempt to fetch changes from the server.

```
@interface CKSyncEngineFetchChangesContext : NSObject
```

## Overview

The sync engine might attempt to fetch changes from the server for many reasons.
For example, if you call [`fetchChangesWithCompletionHandler:`](/documentation/CloudKit/CKSyncEngine-4b4w9/fetchChangesWithCompletionHandler:), it tries to fetch changes immediately.
Or if it receives a push notification, it schedules a sync and fetch changes when the scheduler task runs.

---

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