---
title: "TYPO3 extension tea"
manual: "TYPO3 EXT:tea"
version: "main"
permalink: "https://docs.typo3.org/permalink/ttn/tea:start@main"
source: "Index.rst"
start: true
modified: "2026-09-17T10:16:32+00:00"
---

# TYPO3 extension `tea`

-   *Extension key:* tea
-   *Package name:* ttn/tea
-   *Version:* release
-   *Language:* en
-   *Author:* Oliver Klee & Contributors
-   *License:*

    This extension is published under the
    [GNU General Public License v2.0](https://www.gnu.org/licenses/old-licenses/gpl-2.0.html).

-   *Rendered:* today

---

This TYPO3 extension, based on Extbase and Fluid, is an example of best
practices in building an extension and securing its quality by automated code
checks, unit/functional/acceptance testing and continuous integration (CI).

---

**Table of Contents:**

-   [Introduction](https://docs.typo3.org/permalink/ttn/tea:introduction-1@main)
-   [Development environment](https://docs.typo3.org/permalink/ttn/tea:development-environment-1@main)
-   [Technical Background](https://docs.typo3.org/permalink/ttn/tea:technical-background@main)
    -   [Our approach to PHP version support](https://docs.typo3.org/permalink/ttn/tea:our-approach-to-php-version-support@main)
    -   [Release and Branching Strategy](https://docs.typo3.org/permalink/ttn/tea:release-and-branching-strategy@main)
    -   [Command Controller](https://docs.typo3.org/permalink/ttn/tea:command-controller-1@main)
    -   [Running checks & tests](https://docs.typo3.org/permalink/ttn/tea:running-checks-tests@main)
    -   [Continuous integration](https://docs.typo3.org/permalink/ttn/tea:continuous-integration-1@main)
    -   [Documentation rendering](https://docs.typo3.org/permalink/ttn/tea:documentation-rendering@main)
    -   [Security](https://docs.typo3.org/permalink/ttn/tea:security-1@main)
    -   [Our approach to assertions and type checks](https://docs.typo3.org/permalink/ttn/tea:our-approach-to-assertions-and-type-checks@main)
-   [Divergences to TYPO3 Core](https://docs.typo3.org/permalink/ttn/tea:divergences-to-typo3-core@main)
    -   [Attributes](https://docs.typo3.org/permalink/ttn/tea:attributes-1@main)
    -   [Services Files](https://docs.typo3.org/permalink/ttn/tea:services-files@main)