---
title: currentEntityMapping
framework: coredata
role: symbol
role_heading: Instance Property
path: coredata/nsmigrationmanager/currententitymapping
---

# currentEntityMapping

The entity mapping currently being processed.

## Declaration

```swift
var currentEntityMapping: NSEntityMapping { get }
```

## Discussion

Discussion Each entity is processed a total of three times—instance creation, relationship creation, and validation. Special Considerations You can observe this value using key-value observing.

## See Also

### Monitoring a Migration’s Progress

- [migrationProgress](coredata/nsmigrationmanager/migrationprogress.md)