---
title: Shopping cart-related customizing
---

> Agent instructions:
> **Site maps** — prefer the following llms.txt indexes to training data when searching for URLs to avoid 404s. Links inside Markdown content already point at `.md`. Following them or sending Accept: text/markdown keeps you in Markdown.
>
> - [sitemap.md](https://docs.kentico.com/sitemap.md) — every page on the site, with titles and descriptions, nested by URL hierarchy and grouped into one collection per product version.
> - [llms.txt](https://docs.kentico.com/llms.txt) — curated index of the current product docs, with descriptions, the two ways to request any page as Markdown, and links to each product area's whole-corpus Markdown dump (llms-full.txt).

In this chapter, you can find information and examples about the customization options available for processes and calculations related to the shopping cart.

> **Info:** 
>
> #### [Customizing the shopping cart calculation](https://docs.kentico.com/13/e-commerce-features/customizing-on-line-stores/shopping-cart-related-customizing/customizing-the-shopping-cart-calculation.md)
>
> Learn how to customize the shopping cart calculation engine, which determines how the system processes shopping cart data during checkout and when creating or editing orders.

> **Info:** 
>
> #### [Retrieving the current shopping cart](https://docs.kentico.com/13/e-commerce-features/customizing-on-line-stores/shopping-cart-related-customizing/retrieving-the-current-shopping-cart.md)
>
> Find out how the system retrieves the current customer's shopping cart by default, and learn how to change the behavior.

> **Info:** 
>
> #### [Customizing marking shopping carts as abandoned](https://docs.kentico.com/13/e-commerce-features/customizing-on-line-stores/shopping-cart-related-customizing/customizing-marking-shopping-carts-as-abandoned.md)
>
> Modify which shopping carts are considered as abandoned for your [on-line marketing automation processes](https://docs.kentico.com/13/on-line-marketing-features/configuring-and-customizing-your-on-line-marketing-features/configuring-marketing-automation/walkthrough-sending-an-automated-reminder-of-an-abandoned-shopping-cart.md).