---
title: none
framework: swiftdata
role: symbol
role_heading: Type Property
path: swiftdata/modelconfiguration/groupcontainer-swift.struct/none
---

# none

Prevents SwiftData from using a group container as the root location for the app’s persistent storage.

## Declaration

```swift
static var none: ModelConfiguration.GroupContainer { get }
```

## See Also

### Getting discovery options

- [automatic](swiftdata/modelconfiguration/groupcontainer-swift.struct/automatic.md)
- [identifier(_:)](swiftdata/modelconfiguration/groupcontainer-swift.struct/identifier(_:).md)