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# reconnect(completionHandler:)

Reconnects the domain with the extension.

```
func reconnect(completionHandler: @escaping @Sendable ((any Error)?) -> Void)
```

## Parameters

`completionHandler`

A block that the system calls after reconnecting the domain. The block takes the following parameter:

- `error`: If an error occurs, this object contains information about the error; otherwise, it’s `nil`.

## Discussion

> Important:
> You can call this method from synchronous code using a completion handler, as shown on this page, or you can call it as an asynchronous method that has the following declaration:
> 
> ```swift
> func reconnect() async throws
> ```
> 
> For information about concurrency and asynchronous code in Swift, see <doc://com.apple.documentation/documentation/Swift/calling-objective-c-apis-asynchronously>.

Call this method to reconnect the domain after a call to the [`disconnect(reason:options:completionHandler:)`](/documentation/FileProvider/NSFileProviderManager/disconnect(reason:options:completionHandler:)) method.

---

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