<!--
{
  "availability" : [
    "iOS: 12.0.0 -",
    "iPadOS: 12.0.0 -",
    "macCatalyst: 13.1.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CarPlay",
  "identifier" : "/documentation/CarPlay/CPSessionConfigurationDelegate",
  "metadataVersion" : "0.1.0",
  "role" : "Protocol",
  "symbol" : {
    "kind" : "Protocol",
    "modules" : [
      "CarPlay"
    ],
    "preciseIdentifier" : "c:objc(pl)CPSessionConfigurationDelegate"
  },
  "title" : "CPSessionConfigurationDelegate"
}
-->

# CPSessionConfigurationDelegate

A protocol for receiving notifications about changes to vehicle properties and configuration.

```
@MainActor protocol CPSessionConfigurationDelegate : NSObjectProtocol
```

## Topics

### Handling Content Style Changes

[`-  sessionConfiguration:contentStyleChanged:`](/documentation/CarPlay/CPSessionConfigurationDelegate/sessionConfiguration(_:contentStyleChanged:))

Tells the delegate that the vehicle changed its selected content style.

### Handling Limit Changes

[`-  sessionConfiguration:limitedUserInterfacesChanged:`](/documentation/CarPlay/CPSessionConfigurationDelegate/sessionConfiguration(_:limitedUserInterfacesChanged:))

Tells the delegate that the system changed keyboard or list limits on the user interface.

## Relationships

### Inherits From

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)