---
title: "[Developer Preview] Cart Transform API - Updating lines in the cart - Shopify developer changelog"
description: Shopify’s developer changelog documents all changes to Shopify’s platform. Find the latest news and learn about new platform opportunities.
source_url:
  html: https://shopify.dev/changelog/developer-preview-cart-transform-api-updating-lines-in-the-cart
  md: https://shopify.dev/changelog/developer-preview-cart-transform-api-updating-lines-in-the-cart.md
---

[Back to Developer changelog](https://shopify.dev/changelog)

October 31, 2023

Tags:

* API

# \[Developer Preview] Cart Transform API - Updating lines in the cart

Previously, the Cart Transform API enabled functions to `expand` a single cart line item to form a bundle of components or add-on products, or `merge` multiple cart lines into a single line that represents a bundle.

With this release, `update` operations will also allow you to override the price, title, and/or image of a given line item. This gives you more more flexibility to make additional customizations to items in the cart.

More information can be found in the Cart Transform API [developer preview documentation](https://shopify.dev/docs/api/functions/reference/cart-transform/developer-preview).