---
title: persistentBackingData
framework: swiftdata
role: symbol
role_heading: Instance Property
path: swiftdata/persistentmodel/persistentbackingdata
---

# persistentBackingData

## Declaration

```swift
var persistentBackingData: any BackingData<Self> { get set }
```

## See Also

### Accessing supplementary information

- [schemaMetadata](swiftdata/persistentmodel/schemametadata.md)
- [hasChanges](swiftdata/persistentmodel/haschanges.md)
- [isDeleted](swiftdata/persistentmodel/isdeleted.md)