---
title: storeIdentifier
framework: SwiftData
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+, watchOS 27.0+, swift 5.9+]
path: swiftdata/defaulthistorytoken/storeidentifier
---

# storeIdentifier

The on-disk identifier of the data store this token covers (SD-0028).

## Declaration

```swift
var storeIdentifier: String { get }
```