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# UIDocument.ChangeKind

Constants that specify the kind of change to a document.

```
enum ChangeKind
```

## Overview

You specify one of these constants as a parameter of the [`updateChangeCount(_:)`](/documentation/UIKit/UIDocument/updateChangeCount(_:)) method.

## Topics

### Constants

[`UIDocumentChangeDone`](/documentation/UIKit/UIDocument/ChangeKind/done)

A change has been made to the document.

[`UIDocumentChangeUndone`](/documentation/UIKit/UIDocument/ChangeKind/undone)

A change to the document has been undone.

[`UIDocumentChangeRedone`](/documentation/UIKit/UIDocument/ChangeKind/redone)

An undone change to the document has been redone.

[`UIDocumentChangeCleared`](/documentation/UIKit/UIDocument/ChangeKind/cleared)

The document is cleared of outstanding changes.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

---

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