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# NSFileProviderExternalVolumeHandling

A protocol that defines the interface for handling external volumes.

```
protocol NSFileProviderExternalVolumeHandling : NSObjectProtocol
```

## Topics

### Connecting to external domains

[`shouldConnectExternalDomain(completionHandler:)`](/documentation/FileProvider/NSFileProviderExternalVolumeHandling/shouldConnectExternalDomain(completionHandler:))

Determines whether to connect to a domain from another device.


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