---
title: "init(from:relatedBackingDatas:)"
framework: swiftdata
role: symbol
role_heading: Initializer
path: "swiftdata/datastoresnapshot/init(from:relatedbackingdatas:)"
---

# init(from:relatedBackingDatas:)

## Declaration

```swift
init(from: any BackingData, relatedBackingDatas: inout [PersistentIdentifier : any BackingData])
```