---
title: "Extbase reference"
manual: "TYPO3 Explained"
version: "11.5"
permalink: "https://docs.typo3.org/permalink/t3coreapi:extbase-reference@11.5"
source: "ExtensionArchitecture/Extbase/Reference/Index.rst"
rendered: "2026-10-21T15:30:00+00:00"
---

# Extbase reference {#extbase-reference}

-   [Model / Domain](https://docs.typo3.org/permalink/t3coreapi:model-domain@11.5)
    -   [Model](https://docs.typo3.org/permalink/t3coreapi:model@11.5)
    -   [Persistence](https://docs.typo3.org/permalink/t3coreapi:persistence@11.5)
    -   [Repository](https://docs.typo3.org/permalink/t3coreapi:repository@11.5)
    -   [Validator](https://docs.typo3.org/permalink/t3coreapi:validator@11.5)
-   [Controller](https://docs.typo3.org/permalink/t3coreapi:controller@11.5)
    -   [ActionController](https://docs.typo3.org/permalink/t3coreapi:actioncontroller@11.5)
    -   [Error action](https://docs.typo3.org/permalink/t3coreapi:error-action@11.5)
    -   [Type converters](https://docs.typo3.org/permalink/t3coreapi:type-converters@11.5)
-   [View](https://docs.typo3.org/permalink/t3coreapi:view@11.5)
-   [URI builder (Extbase)](https://docs.typo3.org/permalink/t3coreapi:uri-builder-extbase@11.5)
-   [Registration of frontend plugins](https://docs.typo3.org/permalink/t3coreapi:registration-of-frontend-plugins@11.5)
-   [TypoScript configuration](https://docs.typo3.org/permalink/t3coreapi:typoscript-configuration@11.5)
-   [Annotations](https://docs.typo3.org/permalink/t3coreapi:annotations@11.5)
-   [Validation](https://docs.typo3.org/permalink/t3coreapi:validation@11.5)
-   [Caching](https://docs.typo3.org/permalink/t3coreapi:caching@11.5)
-   [Localization](https://docs.typo3.org/permalink/t3coreapi:localization@11.5)
-   [URI arguments and reserved keywords](https://docs.typo3.org/permalink/t3coreapi:uri-arguments-and-reserved-keywords@11.5)