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# VNDocumentCameraViewController

An object that presents UI for a camera pass-through that helps people scan physical documents.

```
class VNDocumentCameraViewController
```

## Overview

This class enables a person to scan a physical document, page by page, by tapping a camera interface in the controller’s view. The results of a scan include images, by page number. With the collection of scanned images, your app can create a digital version of the physical document and export the scanned images to PDF.

## Present a document scanning view controller in Swift

The following Swift code presents the document scanning object and adds it to your view controller hierarchy:

```swift
let documentCameraViewController = VNDocumentCameraViewController()
documentCameraViewController.delegate = self
present(documentCameraViewController, animated: true)
```

## Present a document scanning view controller in Objective-C

The following Objective-C code presents the document scanning object and adds it to your view controller hierarchy:

```objc
VNDocumentCameraViewController* documentCameraViewController = [[VNDocumentCameraViewController alloc] init];
documentCameraViewController.delegate = self;
[self presentViewController:documentCameraViewController animated:YES completion:nil];
```

## Topics

### Supporting the document camera

[`delegate`](/documentation/VisionKit/VNDocumentCameraViewController/delegate)

The delegate to be notified when the user saves or cancels the document scanner.

[`isSupported`](/documentation/VisionKit/VNDocumentCameraViewController/isSupported)

A Boolean variable that indicates whether or not the current device supports document scanning.


---

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