Learn how to modify the way in which your theme handles variant selection.
Supported and unsupported tutorials
Some of the theme code customization tutorials are supported by Shopify, and some are not. This applies only if you use a free theme from Shopify. If you use a paid theme, then Shopify can't help with theme code customization tutorials. Instead, you might be able to reach out to your theme's developer for support. To learn more about support for paid themes, see Paid themes.
A supported theme code customization tutorial is any tutorial that includes the following note at the top of the page:
An unsupported theme code customization tutorial is any tutorial that includes the following caution at the top of the page: