> 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.
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## Show Price
Shows the product price inside the Add to Cart button.
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## 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 %}
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{% hint style="info" icon="headset" %}
**Need help?**
Whether you have a question, run into an issue, or just need some guidance, our support team is here to help.
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{% endhint %}