---
title: "For Developers"
manual: "TYPO3 EXT:thuecat"
version: "main"
permalink: "https://docs.typo3.org/permalink/werkraummedia/thuecat:developers@main"
source: "Developers/Index.rst"
rendered: "2026-10-09T11:47:03+00:00"
---

# For Developers {#developers}

-   [The import](https://docs.typo3.org/permalink/werkraummedia/thuecat:the-import@main)
    -   [How a run works](https://docs.typo3.org/permalink/werkraummedia/thuecat:how-a-run-works@main)
    -   [Records, identity and languages](https://docs.typo3.org/permalink/werkraummedia/thuecat:records-identity-and-languages@main)
    -   [Adding a record kind](https://docs.typo3.org/permalink/werkraummedia/thuecat:adding-a-record-kind@main)
    -   [Relations](https://docs.typo3.org/permalink/werkraummedia/thuecat:relations@main)
    -   [Values stored as category trees](https://docs.typo3.org/permalink/werkraummedia/thuecat:values-stored-as-category-trees@main)
    -   [Media files](https://docs.typo3.org/permalink/werkraummedia/thuecat:media-files@main)
    -   [The import log](https://docs.typo3.org/permalink/werkraummedia/thuecat:the-import-log@main)
    -   [What a run imports](https://docs.typo3.org/permalink/werkraummedia/thuecat:what-a-run-imports@main)
    -   [Import tuning](https://docs.typo3.org/permalink/werkraummedia/thuecat:import-tuning-1@main)
    -   [Testing an import](https://docs.typo3.org/permalink/werkraummedia/thuecat:testing-an-import@main)
-   [Filter fields](https://docs.typo3.org/permalink/werkraummedia/thuecat:filter-fields@main)
-   [Backend relation scoping](https://docs.typo3.org/permalink/werkraummedia/thuecat:backend-relation-scoping@main)