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# GKPeerPickerControllerDelegate

The [`GKPeerPickerControllerDelegate`](/documentation/GameKit/GKPeerPickerControllerDelegate) protocol is implemented on an object to customize the behavior of a [`GKPeerPickerController`](/documentation/GameKit/GKPeerPickerController) object. The delegate is called by the peer picker to create a session object and to respond as the session is configured by the controller.

```
protocol GKPeerPickerControllerDelegate : NSObjectProtocol
```

## Topics

### Creating a Session for the Peer Picker

[`peerPickerController(_:didSelect:)`](/documentation/GameKit/GKPeerPickerControllerDelegate/peerPickerController(_:didSelect:))

Tells the delegate that the user selected a connection type.

[`peerPickerController(_:sessionFor:)`](/documentation/GameKit/GKPeerPickerControllerDelegate/peerPickerController(_:sessionFor:))

Asks the delegate to return a session for the specified connection type.

### Responding to Connection Messages

[`peerPickerController(_:didConnectPeer:to:)`](/documentation/GameKit/GKPeerPickerControllerDelegate/peerPickerController(_:didConnectPeer:to:))

Tells the delegate that the controller connected a peer to the session.

### Responding When the User Cancels the Connection Attempt

[`peerPickerControllerDidCancel(_:)`](/documentation/GameKit/GKPeerPickerControllerDelegate/peerPickerControllerDidCancel(_:))

Tells the delegate that the user canceled the connection attempt.


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