---
title: OSSystemExtensionRequest.ReplacementAction.replace
framework: systemextensions
role: symbol
role_heading: Case
path: systemextensions/ossystemextensionrequest/replacementaction/replace
---

# OSSystemExtensionRequest.ReplacementAction.replace

An action that tells the manager to replace an existing system extension.

## Declaration

```swift
case replace
```

## See Also

### Replacement Actions

- [OSSystemExtensionRequest.ReplacementAction.cancel](systemextensions/ossystemextensionrequest/replacementaction/cancel.md)