---
title: Source
framework: swiftui
role: symbol
role_heading: Associated Type
path: swiftui/documentreader/source
---

# Source

## Declaration

```swift
associatedtype Source
```

## See Also

### Reading a document

- [read(from:progress:)](swiftui/documentreader/read(from:progress:).md)
- [Snapshot](swiftui/documentreader/snapshot.md)