How to create a custom Liquid block for your Shopify theme

Last updated: March 11, 2025

Overview

Themes that are not available in the Shopify Theme Store, or are otherwise not supported by Shopify, do not have a native Custom Liquid block option in the theme customization screen.

Follow the instructions below to add a Custom Liquid block option to any theme.

To create a custom Liquid block:

  1. Login to Shopify

  2. Click Sales Channels

  3. Click Online Store

  4. Click the three dot menu next to your theme

  5. Click Edit Code

  6. Click the Sections folder

  7. Click Add a new section

  8. Ensure liquid is the selected radio button

  9. In the File Name field, enter section-custom-liquid

  10. Click Done

  11. Remove the default code that appears in your new section-custom-liquid.liquid file

  12. Copy the following code:

{{ section.settings.custom_liquid }} {% schema %} { "name": "Custom Liquid", "settings": [ { "type": "liquid", "id": "custom_liquid", "label": "Custom Liquid", "info": "Add app snippets or other liquid code to create advanced customizations." }], "presets": [ { "name": "Custom Liquid" }] } {% endschema %}

  1. Paste the code into the blank section-custom-liquid.liquid file

  2. Click Save