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# UISearchControllerDelegate

A set of delegate methods for search controller objects.

```
@MainActor protocol UISearchControllerDelegate : NSObjectProtocol
```

## Topics

### Presenting and dismissing the search controller

[`didDismissSearchController(_:)`](/documentation/UIKit/UISearchControllerDelegate/didDismissSearchController(_:))

Notifies the delegate when the system completes automatic dismissal of the search controller.

[`didPresentSearchController(_:)`](/documentation/UIKit/UISearchControllerDelegate/didPresentSearchController(_:))

Notifies the delegate when the system completes automatic presentation of the search controller.

[`presentSearchController(_:)`](/documentation/UIKit/UISearchControllerDelegate/presentSearchController(_:))

Presents the designated search controller.

[`willDismissSearchController(_:)`](/documentation/UIKit/UISearchControllerDelegate/willDismissSearchController(_:))

Notifies the delegate that the system is about to automatically dismiss the search controller.

[`willPresentSearchController(_:)`](/documentation/UIKit/UISearchControllerDelegate/willPresentSearchController(_:))

Notifies the delegate that the system is about to automatically display the search controller.

### Responding to search bar placement updates

[`searchController(_:didChangeFrom:)`](/documentation/UIKit/UISearchControllerDelegate/searchController(_:didChangeFrom:))

Notifies the delegate after the search bar placement changes.

[`searchController(_:willChangeTo:)`](/documentation/UIKit/UISearchControllerDelegate/searchController(_:willChangeTo:))

Notifies the delegate before the search bar placement changes.


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