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# init(previousServerChangeToken:resultsLimit:desiredKeys:)

Creates a zone configuration with the desired keys and a result limit for updates.

```
convenience init(previousServerChangeToken: CKServerChangeToken? = nil, resultsLimit: Int? = nil, desiredKeys: [CKRecord.FieldKey]? = nil)
```

## Parameters

`previousServerChangeToken`

A CloudKit server change token.

`resultsLimit`

The maximum number of updated records that CloudKit retrieves with an update operation. The default is 0.

`desiredKeys`

An array of the desired record keys CloudKit retrieves with updates.

---

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