---
title: oldVersionNumber
framework: coredata
role: symbol
role_heading: Instance Property
path: coredata/nsmergeconflict/oldversionnumber
---

# oldVersionNumber

The old version number for the change.

## Declaration

```swift
var oldVersionNumber: Int { get }
```

## See Also

### Accessing Merge Conflict Details

- [sourceObject](coredata/nsmergeconflict/sourceobject.md)
- [objectSnapshot](coredata/nsmergeconflict/objectsnapshot.md)
- [cachedSnapshot](coredata/nsmergeconflict/cachedsnapshot.md)
- [persistedSnapshot](coredata/nsmergeconflict/persistedsnapshot.md)
- [newVersionNumber](coredata/nsmergeconflict/newversionnumber.md)