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# DocumentCreationSource

Describes the source used to create a new document.

```
struct DocumentCreationSource
```

## Overview

On iOS, you can declare custom creation sources and use them in
[`NewDocumentButton`](/documentation/SwiftUI/NewDocumentButton).

```
extension DocumentCreationSource {
    static let scanner: Self =
        DocumentCreationSource(id: "document-from-scanner")

    static let template: Self =
        DocumentCreationSource(id: "document-from-template")
}

DocumentGroupLaunchScene("Documents") {
    NewDocumentButton("Scan Document", source: .scanner)
    NewDocumentButton("New from Template", source: .template)
}
```

When a document is created, you can retrieve its source from
[`URLDocumentConfiguration`](/documentation/SwiftUI/URLDocumentConfiguration) or [`FileDocumentConfiguration`](/documentation/SwiftUI/FileDocumentConfiguration):

```
DocumentGroup(newDocument: { MyDocument() }) { configuration in
    if configuration.creationSource == .template {
        TemplateSetupView()
    }
}
```

## Topics

### Creating a source

[`init(id:)`](/documentation/SwiftUI/DocumentCreationSource/init(id:))

Creates a document creation source with the given identifier.

### Identifying a source


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