---
title: UIApplication.DidEnterBackgroundMessage
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uiapplication/didenterbackgroundmessage
---

# UIApplication.DidEnterBackgroundMessage

## Declaration

```swift
struct DidEnterBackgroundMessage
```

## Topics

### Initializers

- [init()](uikit/uiapplication/didenterbackgroundmessage/init().md)

## Relationships

### Conforms To

- [NotificationCenter.MainActorMessage](foundation/notificationcenter/mainactormessage.md)
- [SendableMetatype](swift/sendablemetatype.md)