Once you have successfully installed the extension, go to Store -> Configuration to configure the extension for use.
- Out of Stock Notification: Option to enable or disable extension.
- Select Customer Groups: Select customer groups to allow in stock notification box.
- Notification Type: Set allowed notification type as SMS, Email or both as per need.
- Email Sender: You can set default email sender for customer in stock notification.
- Email Template: Set email template, you want to assign for email notification.
- Allow Alert When Product Comes Back in Stock: Enable it to YES and customers will be notified when the product is back in stock.