---
title: NSWorkspace.WillLaunchApplicationMessage
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nsworkspace/willlaunchapplicationmessage
---

# NSWorkspace.WillLaunchApplicationMessage

## Declaration

```swift
struct WillLaunchApplicationMessage
```

## Topics

### Initializers

- [init(application:)](appkit/nsworkspace/willlaunchapplicationmessage/init(application:).md)

### Instance Properties

- [application](appkit/nsworkspace/willlaunchapplicationmessage/application.md)

## Relationships

### Conforms To

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