SubscriptionManager

What it does

This class manages newsletter subscription operations for both guest users and registered customers in Magento 2.

Developers use it to programmatically subscribe/unsubscribe users, handle confirmation requirements, and send appropriate notification emails.

It serves as the central service for all newsletter subscription status changes throughout the system.

Public Methods

• subscribe()
• unsubscribe()
• subscribeCustomer()
• unsubscribeCustomer()