---
title: source
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uistoryboardsegue/source
---

# source

The source view controller for the segue.

## Declaration

```swift
var source: UIViewController { get }
```

## Discussion

Discussion This property contains the view controller whose contents are displayed at the beginning of the segue.

## See Also

### Accessing the segue attributes

- [destination](uikit/uistoryboardsegue/destination.md)
- [identifier](uikit/uistoryboardsegue/identifier.md)