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  "title" : "save(to:)"
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# save(to:)

Saves the web history to the specified file.

```
func save(to URL: URL!) throws
```

## Parameters

`URL`

The URL of the file to contain the web history information. The file must be user-writable, but its format is private and should not be edited directly.

## Discussion

When successful, this method posts a notification ([`WebHistorySavedNotification`](/documentation/WebKit/WebHistorySavedNotification)).

> Handling Errors in Swift:
> In Swift, this method returns `Void` and is marked with the `throws` keyword to indicate that it throws an error in cases of failure.
> 
> You call this method in a `try` expression and handle any errors in the `catch` clauses of a `do` statement, as described in [Error Handling](https://docs.swift.org/swift-book/LanguageGuide/ErrorHandling.html) in [The Swift Programming Language](https://docs.swift.org/swift-book/) and `About Imported Cocoa Error Parameters`.

---

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