> For the complete documentation index, see [llms.txt](https://rez-notify-me.gitbook.io/rez-notify-me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rez-notify-me.gitbook.io/rez-notify-me/back-in-stock-alert/how-does-back-in-stock-flow-works.md).

# How does back in stock flow works?

### What It Does

The **Back in Stock (Notify Me)** feature lets customers subscribe to get an alert via email when a product that’s currently *sold out* becomes *available again*.\
This helps merchants recover missed sales and understand which sold-out items have the highest demand.

***

### **Setting Up a "Notify Me" Button with Email Notifications**

This guide walks you through the process of adding a “Notify Me” button to your website or online store, setting up a form to collect customer emails, and configuring automatic email notifications when products are back in stock or launched.

#### 🎥 **Video Reference**

{% embed url="<https://www.youtube.com/watch?feature=youtu.be&v=VZuDrUpGmCk>" %}

### How does back in stock flow works?

**1. Set up the “Notify Me” button**

* When a product or variant is out of stock, the “Add to Cart” button changes to **“Notify Me”** (or similar text).

<figure><img src="/files/9xj6paHOf0Ou5THNzHbg" alt=""><figcaption></figcaption></figure>

* Customers can click it to open a simple form to leave their **email.**

<figure><img src="/files/EJvKWw6U4IMnvNd1pbLi" alt=""><figcaption></figcaption></figure>

**2. Collect customer requests**

* Each submission is recorded in your dashboard/app backend.
* You can see which products customers are waiting for and how many requests each one has.

<figure><img src="/files/97gBNHvPSJ4lJ1IbPGuy" alt=""><figcaption></figcaption></figure>

* This helps with **inventory planning** and **reordering decisions**.

**3. Restock your product**

* Once you update your inventory (via Shopify), the system automatically detects the stock change.

<figure><img src="/files/NkShkzhohXL0ZNpcv0TM" alt=""><figcaption></figcaption></figure>

**4. Send automatic notifications**

* When stock is available, the app automatically sends a **Back in Stock email** to all customers who signed up for that product.
* The message includes a **direct link to the product page** so they can purchase right away.

<figure><img src="/files/QxArRF7dq6IK2Cnns8vd" alt=""><figcaption></figcaption></figure>

**5. Track performance**

* You can monitor:
  * How many notifications were sent
  * How many customers clicked back
  * How many completed a purchase
* This helps measure the feature’s impact on recovered revenue.

<figure><img src="/files/knaxN9KSDteyRJkoNv2q" alt=""><figcaption></figcaption></figure>

***

### Why It’s Useful

* **Recover lost sales:** Customers who signed up are already interested — they’re likely to buy when notified.
* **Understand product demand:** See which sold-out items are most requested.
* **Improve customer experience:** Shoppers don’t have to keep checking back manually.
* **Automate follow-ups:** Everything runs automatically once set up.