Magento_ProductAlert module
This module enables product alerts, which allow customers to sign up for emails about product price or stock status change.
Installation
Before installing this module, note that the Magento_ProductAlert is dependent on the following modules:
Magento_CatalogMagento_Customer
The Magento_ProductAlert module creates the following tables in the database:
product_alert_priceproduct_alert_stock
All database schema changes made by this module are rolled back when the module gets disabled and setup:upgrade command is run.
The Magento_ProductAlert module contains the recurring script. Script's modifications don't need to be manually reverted upon uninstallation.
For information about a module installation in Magento 2, see Enable or disable modules.
Extensibility
Extension developers can interact with the Magento_ProductAlert module. For more information about the Magento extension mechanism, see Magento plug-ins.
The Magento dependency injection mechanism enables you to override the functionality of the Magento_ProductAlert module.
Layouts
This module introduces the following layouts in the view/frontend/layout directory:
catalog_product_viewproductalert_unsubscribe_email
For more information about a layout in Magento 2, see the Layout documentation.
Additional information
More information can get at articles:
Cron options
Cron group configuration can be set at etc/crontab.xml:
catalog_product_alert- send product alerts to customers
Learn how to configure and run cron in Magento..
