---
title: NSManagedObjectContext.DidSaveMessage
framework: coredata
role: symbol
role_heading: Structure
path: coredata/nsmanagedobjectcontext/didsavemessage
---

# NSManagedObjectContext.DidSaveMessage

Posted after a main queue context saves.

## Declaration

```swift
struct DidSaveMessage
```

## Overview

Overview Only use this message type for contexts with NSMainQueueConcurrencyType.

## Topics

### Instance Properties

- [context](coredata/nsmanagedobjectcontext/didsavemessage/context.md)
- [deleted](coredata/nsmanagedobjectcontext/didsavemessage/deleted.md)
- [historyToken](coredata/nsmanagedobjectcontext/didsavemessage/historytoken.md)
- [inserted](coredata/nsmanagedobjectcontext/didsavemessage/inserted.md)
- [queryGeneration](coredata/nsmanagedobjectcontext/didsavemessage/querygeneration.md)
- [updated](coredata/nsmanagedobjectcontext/didsavemessage/updated.md)

## Relationships

### Conforms To

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