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# TVDocumentViewControllerDelegate

Methods to manage updates, events, and errors from the document view controller.

```
protocol TVDocumentViewControllerDelegate : NSObjectProtocol
```

## Topics

### Managing Document Updates

[`documentViewControllerWillUpdate(_:)`](/documentation/TVMLKit/TVDocumentViewControllerDelegate/documentViewControllerWillUpdate(_:))

Tells the delegate that the document will be updated.

[`documentViewControllerDidUpdate(_:)`](/documentation/TVMLKit/TVDocumentViewControllerDelegate/documentViewControllerDidUpdate(_:))

Tells the delegate that the document has been updated.

[`documentViewController(_:didUpdateWithContext:)`](/documentation/TVMLKit/TVDocumentViewControllerDelegate/documentViewController(_:didUpdateWithContext:))

Tells the delegate that the document has been updated with a specified context.

### Responding to Errors

[`documentViewController(_:didFailUpdateWithError:)`](/documentation/TVMLKit/TVDocumentViewControllerDelegate/documentViewController(_:didFailUpdateWithError:))

Tells the delegate that the document failed to update.

### Handling Events

[`documentViewController(_:handleEvent:with:)`](/documentation/TVMLKit/TVDocumentViewControllerDelegate/documentViewController(_:handleEvent:with:))

Handles events natively from document view controllers.


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