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

# OSSystemExtensionRequest.ReplacementAction

Actions for describing how the extension manager should resolve a version conflict.

## Declaration

```swift
enum ReplacementAction
```

## Topics

### Replacement Actions

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

### Initializers

- [init(rawValue:)](systemextensions/ossystemextensionrequest/replacementaction/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Handling Indeterminate Installs

- [requestNeedsUserApproval(_:)](systemextensions/ossystemextensionrequestdelegate/requestneedsuserapproval(_:).md)
- [request(_:actionForReplacingExtension:withExtension:)](systemextensions/ossystemextensionrequestdelegate/request(_:actionforreplacingextension:withextension:).md)
- [OSSystemExtensionProperties](systemextensions/ossystemextensionproperties.md)