By including new forms in your theme, or adding custom fields to your theme's existing forms, you can make it easy for customers to provide you with information or feedback. A form is any part of your online store that allows customers to submit information. Some examples of common forms used in themes include: the contact form, the customer registration form, and the product page Add to cart form.
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: