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# CKSyncEngine.SyncReason.manual

A manual sync operation.

```
case manual
```

## Discussion

The sync engine uses this reason only when your app invokes the [`fetchChanges(_:)`](/documentation/CloudKit/CKSyncEngine-5sie5/fetchChanges(_:)) and [`sendChanges(_:)`](/documentation/CloudKit/CKSyncEngine-5sie5/sendChanges(_:)) methods.

---

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