---
title: RestrictedSandboxRevision.revision1
framework: browserenginekit
role: symbol
role_heading: Case
path: browserenginekit/restrictedsandboxrevision/revision1
---

# RestrictedSandboxRevision.revision1

First revision of the restricted sandbox rules.

## Declaration

```swift
case revision1
```

## Discussion

Discussion You can apply this revision to any of your app’s extensions but the system only enforces its restrictions for the web content extension. For more information, see Limiting resource access in web content extensions.

## See Also

### Sandbox restriction revisions

- [RestrictedSandboxRevision.revision2](browserenginekit/restrictedsandboxrevision/revision2.md)