---
title: toolsVersion
framework: swift-package-manager
role: symbol
role_heading: Instance Property
path: swift-package-manager/documentation/packageplugin/package/toolsversion
---

# toolsVersion

The tools version specified by the resolved version of the package.

## Declaration

```swift
let toolsVersion: ToolsVersion
```

## Discussion

Discussion Behavior is often gated on the tools version to make sure older packages continue to work as intended.

## See Also

### Inspecting Packages

- [id](swift-package-manager/documentation/packageplugin/package/id-swift.property.md)
- [displayName](swift-package-manager/documentation/packageplugin/package/displayname.md)
- [directoryURL](swift-package-manager/documentation/packageplugin/package/directoryurl.md)
- [origin](swift-package-manager/documentation/packageplugin/package/origin.md)
- [dependencies](swift-package-manager/documentation/packageplugin/package/dependencies.md)
- [sourceModules](swift-package-manager/documentation/packageplugin/package/sourcemodules.md)
- [Package.ID](swift-package-manager/documentation/packageplugin/package/id-swift.typealias.md)
- [directory](swift-package-manager/documentation/packageplugin/package/directory.md)