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# CKDBRecordChangesRequestBody

An object that represents the request for fetching changes since a specified zone change token.

```
dictionary CKDBRecordChangesRequestBody {
	string? changeToken;
	Int32? resultsLimit;
	string[]? requestedRecordTypes;
	string[]? requestedFields;
};
```

## Overview

In JavaScript, this is a plain object with properties as described.

In TypeScript, this type is imported in the following way:

```javascript
import type { CKDBRecordChangesRequestBody } from "@apple/cktool.database";
```

## Topics

### Instance Properties

[`attribute string? changeToken;`](/documentation/CKToolJS/CKDBRecordChangesRequestBody/changeToken)

A string that identifies a point in the database’s change history.

[`attribute string[]? requestedFields;`](/documentation/CKToolJS/CKDBRecordChangesRequestBody/requestedFields)

The array of record field names that limit the amount of data the server returns in this operation.

[`attribute string[]? requestedRecordTypes;`](/documentation/CKToolJS/CKDBRecordChangesRequestBody/requestedRecordTypes)

The array of record type names to use when filtering changes.

[`attribute Int32? resultsLimit;`](/documentation/CKToolJS/CKDBRecordChangesRequestBody/resultsLimit)

The maximum number of records changes to fetch.

---

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