---
title: BlockStack
description: BlockStack is used to vertically stack elements.
api_version: 2025-10
api_name: checkout-ui-extensions
source_url:
  html: https://shopify.dev/docs/api/checkout-ui-extensions/latest/components/structure/blockstack
  md: https://shopify.dev/docs/api/checkout-ui-extensions/latest/components/structure/blockstack.md
---

Block​Stack

Not supported in this version.