> For the complete documentation index, see [llms.txt](https://docs.b2b-sellers.com/b2b-platform/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.b2b-sellers.com/b2b-platform/1/developer-guides/first-steps/concept-of-extensions.md).

# Concept of Extensions

The B2Bsellers Suite is 100% based on the latest version of Shopware, Shopware 6.

Here you can find the strategic part, how the B2Bsellers plugin is built and how you can activate individual functions.

{% content-ref url="/pages/r1AyMyliMX9lXtgn0zxI" %}
[Plans & Plugin Concept](/b2b-platform/1/product-tour/plans-and-plugins.md)
{% endcontent-ref %}

{% content-ref url="/pages/2E4Sxh0VzLjiyCKSa8XI" %}
[License, purchaseable Addons and Features configuration](/b2b-platform/1/user-guide/configuration/license-purchaseable-addons-and-features-configuration.md)
{% endcontent-ref %}


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