---
title: NSPopover.WillCloseMessage
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nspopover/willclosemessage
---

# NSPopover.WillCloseMessage

## Declaration

```swift
struct WillCloseMessage
```

## Topics

### Initializers

- [init(popover:closeReason:)](appkit/nspopover/willclosemessage/init(popover:closereason:).md)

### Instance Properties

- [closeReason](appkit/nspopover/willclosemessage/closereason.md)
- [popover](appkit/nspopover/willclosemessage/popover.md)

## Relationships

### Conforms To

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