Customers can register their interest for products when they are out of stock. An automated process periodically checks the requests and the customer will be sent a personalised email when the product comes back in stock.
composer require dominicwatts/backinstock
php bin/magento setup:upgrade
php bin/magento setup:di:compile
Form will appear on product page where customer can register interest.
Managed within admin
- Marketing > Back In Stock Interest
Process to send emails is either cron based on can be triggered by console command.
xigen:backinstock:check [--] <check>
php bin/magento xigen:backinstock:check check
Or alternatively allow cron task to run