Most reorder decisions are based on historical sales velocity. That works for steady-state inventory. It does not catch emerging demand.
When shoppers add a product to their wishlist, they are telling you they want it before they buy it. If that product goes out of stock before they return, the sale is lost. If your team does not know the product is accumulating wishlist interest, they have no reason to prioritise reordering it.
This playbook connects wishlist demand signals to your merchandising team in real time, so reorder decisions are based on active intent, not lagging sales data.
Merchandising, buying, and inventory teams who make restock and reorder decisions. Also relevant for operations managers who want to reduce stockout-related revenue loss.
When a shopper adds a product to their wishlist and that product's inventory falls below a defined threshold, Shopify Flow sends an automatic alert to your merchandising team. The alert includes the product name, current inventory level, and number of recent wishlist adds. Your team has the demand signal before the stockout.
Wishlist Plus and Shopify Flow are installed
You have defined a low-stock inventory threshold for your store
Your team uses Slack, email, or a task tool that can receive notifications from Shopify
Go to your Shopify Admin. Open Shopify Flow. Click Create Workflow.
Select the Swym trigger: Added to Wishlist. Fires when any shopper saves a product.
Click Select Condition. Under the Product attribute group, select Inventory Quantity. Set the rule: Inventory quantity is less than your threshold (e.g. 10 units).
This ensures the alert only fires when wishlist demand is coinciding with low stock. High-inventory products do not generate noise.
Stack a second condition to restrict alerts to a specific product category or tag. Useful if your team manages different categories and only wants alerts for specific lines.
Options depend on your team's tools:
Include in the alert message: product name, product ID, current inventory quantity, the product page URL.
Review and publish. Every wishlist add on a low-stock product now triggers an alert automatically.
The alert tells you three things: a shopper wants this product, inventory is low, and the two facts are happening at the same time.
Common actions from the merch team:
Pro tip: If a product does go out of stock, Swym Back in Stock Alerts captures shopper demand during the stockout. When inventory returns, Shopify Flow fires the Back-in-Stock trigger and re-engages shoppers automatically.
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