---
title: "extensionViewController(messageContext:)"
framework: mailkit
role: symbol
role_heading: Instance Method
path: "mailkit/memessagesecurityhandler/extensionviewcontroller(messagecontext:)"
---

# extensionViewController(messageContext:)

## Declaration

```swift
func extensionViewController(messageContext context: Data) -> MEExtensionViewController?
```

## See Also

### Instance Methods

- [primaryActionClicked(forMessageContext:completionHandler:)](mailkit/memessagesecurityhandler/primaryactionclicked(formessagecontext:completionhandler:).md)