> For the complete documentation index, see [llms.txt](https://doc.wearepatchworks.com/product-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.wearepatchworks.com/product-documentation/patchworks-services/working-with-services/the-anatomy-of-a-service/payload-script.md).

# Payload script

## Introduction

The **payload script** tab is only displayed if you have added at least one[ payload-level custom script](broken://pages/XjuhzPfyPfhG1KOdE72F):

<figure><img src="/files/Kxd2XLoYnmmH3F2dcra4" alt=""><figcaption></figcaption></figure>

If you need to manipulate a source payload before it is pushed to the destination system, you can use a **payload script**. For further information please see our [payload-level scripts](broken://pages/XjuhzPfyPfhG1KOdE72F) section.