---
title: reset()
framework: coredata
role: symbol
role_heading: Instance Method
path: coredata/nsmigrationmanager/reset()
---

# reset()

Resets the association tables for the migration.

## Declaration

```swift
func reset()
```

## Discussion

Discussion This method does not reset the source or destination contexts.

## See Also

### Aborting a Migration

- [cancelMigrationWithError(_:)](coredata/nsmigrationmanager/cancelmigrationwitherror(_:).md)