---
title: NSWorkspace.SessionDidBecomeActiveMessage
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nsworkspace/sessiondidbecomeactivemessage
---

# NSWorkspace.SessionDidBecomeActiveMessage

## Declaration

```swift
struct SessionDidBecomeActiveMessage
```

## Topics

### Initializers

- [init()](appkit/nsworkspace/sessiondidbecomeactivemessage/init().md)

## Relationships

### Conforms To

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