# Back-in-stock alert feature
With this feature, customers can submit their email address to receive a restock notification once the product is back in stock.
All submitted emails will be sent to the address you configured in Theme Settings.
{% hint style="warning" %}
**Note:** This feature does not send emails automatically. You will need to manually check your inbox and reply to customers.
{% endhint %}
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## How to Enable Back-in-Stock Alert:
**Step 1:** From your Shopify admin, go to **Online Store → Themes**.
**Step 2:** Find the theme you want to edit, then click **Customize**.
**Step 3:** In the theme editor, choose **Products** from the top dropdown.
**Step 4:** In the product page layout, click on **Product information**, then select the **Buy buttons** block.
**Step 5:** Enable the checkbox **“Enable back-in-stock alert”**.
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## You’re all set!
Customers will now see a field to enter their email when a product is sold out. You’ll receive these requests at your configured email address and can notify customers manually once the product is restocked.
