---
title: CKSyncEngineWillFetchRecordZoneChangesEvent
framework: cloudkit
role: symbol
role_heading: Class
path: cloudkit/cksyncenginewillfetchrecordzonechangesevent
---

# CKSyncEngineWillFetchRecordZoneChangesEvent

The sync engine finished fetching record zone changes from the server for a specific zone.

## Declaration

```occ
@interface CKSyncEngineWillFetchRecordZoneChangesEvent : CKSyncEngineEvent
```

## Overview

Overview This might be a good signal to perform any post-processing tasks on a per-zone basis if necessary. You should receive one CKSyncEngineDidFetchRecordZoneChangesEvent for each CKSyncEngineWillFetchRecordZoneChangesEvent.

## Topics

### Identifying the record zone

- [zoneID](cloudkit/cksyncenginewillfetchrecordzonechangesevent/zoneid.md)

## Relationships

### Inherits From

- [CKSyncEngineEvent](cloudkit/cksyncengineevent.md)

## See Also

### Accessing fetch events

- [willFetchChangesEvent](cloudkit/cksyncengineevent/willfetchchangesevent.md)
- [CKSyncEngineWillFetchChangesEvent](cloudkit/cksyncenginewillfetchchangesevent.md)
- [willFetchRecordZoneChangesEvent](cloudkit/cksyncengineevent/willfetchrecordzonechangesevent.md)
- [fetchedDatabaseChangesEvent](cloudkit/cksyncengineevent/fetcheddatabasechangesevent.md)
- [CKSyncEngineFetchedDatabaseChangesEvent](cloudkit/cksyncenginefetcheddatabasechangesevent.md)
- [fetchedRecordZoneChangesEvent](cloudkit/cksyncengineevent/fetchedrecordzonechangesevent.md)
- [CKSyncEngineFetchedRecordZoneChangesEvent](cloudkit/cksyncenginefetchedrecordzonechangesevent.md)
- [didFetchRecordZoneChangesEvent](cloudkit/cksyncengineevent/didfetchrecordzonechangesevent.md)
- [CKSyncEngineDidFetchRecordZoneChangesEvent](cloudkit/cksyncenginedidfetchrecordzonechangesevent.md)
- [didFetchChangesEvent](cloudkit/cksyncengineevent/didfetchchangesevent.md)
- [CKSyncEngineDidFetchChangesEvent](cloudkit/cksyncenginedidfetchchangesevent.md)