Product Notifications
From Shopnix Help
What is Product Notification?
When the customer is going to purchase any product, if that product is in stock then there will be Add To Cart button on the product page as shown in below image
And if the product is out of stock, the button Add To Cart in the product page will be changed into Notify Me as shown in below image.
Your store customer(s) can click this button to submit their email id to get notify when the product will avail in the stock.
When the product will be back in stock i.e. You change the stock level in the Shopnix store manager, then an e-mail will be sent automatically to all the customers who subscribed to be notified. This email will indicate that the product has just come back in stock and can be bought right away.
How to get Product Notification?
To access all such submitted email ids, login to store manager &
Go to Admin > Products > Product Notifications.
You also can add the customer’s mail id manually for notifying him for product availability.
By Admin > Products > Product Notifications >Add New Notification.
"If you have more queries or would like assistance with this please contact us on support@shopnix.in."