---
title: shared
framework: uikit
role: symbol
role_heading: Type Property
path: uikit/uiapplication/shared
---

# shared

The singleton app instance.

## Declaration

```swift
class var shared: UIApplication { get }
```

## Return Value

Return Value The app instance is created in the UIApplicationMain(_:_:_:_:) function.

## Discussion

Discussion The UIApplicationMain(_:_:_:_:) function creates the shared app instance at launch time.