---
title: NSPersistentStoreUbiquitousTransitionTypeKey
framework: coredata
role: symbol
role_heading: Global Variable
path: coredata/nspersistentstoreubiquitoustransitiontypekey
---

# NSPersistentStoreUbiquitousTransitionTypeKey

## Declaration

```swift
let NSPersistentStoreUbiquitousTransitionTypeKey: String
```

## Description

Description In the NSPersistentStoreCoordinatorStoresWillChange and NSPersistentStoreCoordinatorStoresDidChange userInfo dictionaries, this identifies the type of event. The corresponding value is one of the NSPersistentStoreUbiquitousTransitionType enum values as an NSNumber object.

## See Also

### Constants

- [NSAddedPersistentStoresKey](coredata/nsaddedpersistentstoreskey.md)
- [NSRemovedPersistentStoresKey](coredata/nsremovedpersistentstoreskey.md)
- [NSUUIDChangedPersistentStoresKey](coredata/nsuuidchangedpersistentstoreskey.md)
- [NSPersistentStoreConnectionPoolMaxSizeKey](coredata/nspersistentstoreconnectionpoolmaxsizekey.md)
- [NSPersistentStoreSaveConflictsErrorKey](coredata/nspersistentstoresaveconflictserrorkey.md)