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# CloudKit.ZoneID

An identifier for a zone, which is an area in a database for organizing related records.

```
dictionary CloudKit.ZoneID {
	String zoneName;
};
```

## Overview

The `CloudKit.ZoneID` dictionary is the same as the dictionary described in [Zone Dictionary](https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitWebServicesReference/Types.html#//apple_ref/doc/uid/TP40015240-CH3-SW10) in [CloudKit Web Services Reference](https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitWebServicesReference/index.html#//apple_ref/doc/uid/TP40015240).

## Topics

### Instance Properties

[`attribute String zoneName;`](/documentation/CloudKitJS/CloudKit.ZoneID/zoneName)

The name that identifies the record zone. The default value is `_defaultZone`, which indicates the default zone of the current database. This key is required.

---

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