---
title: "restoreData(_:completionHandler:)"
framework: webkit
role: symbol
role_heading: Instance Method
path: "webkit/wkwebsitedatastore/restoredata(_:completionhandler:)"
---

# restoreData(_:completionHandler:)

## Declaration

```swift
func restoreData(_ data: Data, completionHandler: @escaping @MainActor @Sendable ((any Error)?) -> Void)
```

```swift
func restoreData(_ data: Data) async throws
```