# Out of stock notification

Palo Alto has an 'out of stock' notification feature that you can enable.

<figure><img src="/files/8D7obkjXWhpBKsN4Z6lU" alt=""><figcaption></figcaption></figure>

To set this up, all you need to do is go into the **Theme editor** and open the **Theme settings** tab (the gears icon). Here, go into the product form tab and find the Show ‘`Notify me when available`’ popup option.

<figure><img src="/files/VJ3sSybklJigDJhYzZV9" alt=""><figcaption></figcaption></figure>

When customers find a variant that is out of stock, they can subscribe by clicking the now updated add to cart button and filling in their email in a popup collection field.

<figure><img src="/files/ryK37BrIvG1Xs66VVLrt" alt=""><figcaption></figcaption></figure>

### Frequently asked questions

<details>

<summary>Where can I find my newsletter subscriber?</summary>

New subscribers can be found in the Shopify customers tab.

</details>

<details>

<summary>How can I tell apart subscribers?</summary>

All newsletter subscribers have unique tags to indicate which product they are related to.

</details>

<details>

<summary>How do customers get notified when an item is back in stock?</summary>

Our newsletter sign-up simply acts as a net to collect customer emails and the product they are interested in.

To fully create an automated mailing list, we recommend using a third-party mailing app.&#x20;

</details>


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