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# optionalShared()

Returns a shared web history object, if one exists.

```
class func optionalShared() -> WebHistory!
```

## Return Value

A shared web history object initialized with the default web history file, or `nil` if one was not previously specified using the [`setOptionalShared(_:)`](/documentation/WebKit/WebHistory/setOptionalShared(_:)) method.

## See Also

[`func load(from: URL!) throws`](/documentation/WebKit/WebHistory/load(from:))

Loads the contents of the specified web history file.

  [WebKit Objective-C Programming Guide](https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/DisplayWebContent/DisplayWebContent.html#//apple_ref/doc/uid/10000164i)


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