---
title: Schema.Relationship.DeleteRule.nullify
framework: swiftdata
role: symbol
role_heading: Case
path: swiftdata/schema/relationship/deleterule-swift.enum/nullify
---

# Schema.Relationship.DeleteRule.nullify

A rule that nullifies the related model’s reference to the deleted model.

## Declaration

```swift
case nullify
```

## See Also

### Accessing delete rules

- [Schema.Relationship.DeleteRule.cascade](swiftdata/schema/relationship/deleterule-swift.enum/cascade.md)
- [Schema.Relationship.DeleteRule.deny](swiftdata/schema/relationship/deleterule-swift.enum/deny.md)
- [Schema.Relationship.DeleteRule.noAction](swiftdata/schema/relationship/deleterule-swift.enum/noaction.md)