---
title: NSWorkspace.ActiveSpaceDidChangeMessage
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nsworkspace/activespacedidchangemessage
---

# NSWorkspace.ActiveSpaceDidChangeMessage

## Declaration

```swift
struct ActiveSpaceDidChangeMessage
```

## Topics

### Initializers

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

## Relationships

### Conforms To

- [NotificationCenter.AsyncMessage](foundation/notificationcenter/asyncmessage.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)