> For the complete documentation index, see [llms.txt](https://modutheme.gitbook.io/helix/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://modutheme.gitbook.io/helix/theme-settings/add-to-cart-button.md).

# Add to cart button

Settings for the Add to Cart button — showing the price in the button, and the back-in-stock alert for sold-out variants.

![Add to cart button setting panel](/files/A5h4n8tUucDNSNNpyeXf)

***

## Show Price

Shows the product price inside the Add to Cart button.

***

## Back in Stock Alert

When a variant is sold out, the button is replaced with a notify-me form.

| Setting                    | Description                                                                         |
| -------------------------- | ----------------------------------------------------------------------------------- |
| Enable back-in-stock alert | Replaces Add to Cart with the notify-me form on sold-out variants.                  |
| Show name field            | Collect the shopper's name alongside their email.                                   |
| Show phone number field    | Collect a phone number alongside their email.                                       |
| Popup layout (desktop)     | **Popup** — opens centered over the page. **Drawer** — slides in from the side.     |
| Popup layout (mobile)      | **Bottom sheet** — slides up from the bottom. **Drawer** — slides in from the side. |

{% hint style="info" %}
The email field is always collected and cannot be turned off. Helix stores the submitted details but does not send the restock email — see [Back in stock](/helix/features/back-in-stock.md) for how to get those notifications out.
{% endhint %}