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# UIApplication.ExtensionPointIdentifier

A structure that identifies types of extensions.

```
struct ExtensionPointIdentifier
```

## Topics

### Constants

[`keyboard`](/documentation/UIKit/UIApplication/ExtensionPointIdentifier/keyboard)

The identifier for custom keyboards.

### Initializers

[`init(rawValue:)`](/documentation/UIKit/UIApplication/ExtensionPointIdentifier/init(rawValue:))

Creates a new instance with the specified raw value.


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