Interface
NotifierInterface
Magento\Sales\Model\Order\Shipment\NotifierInterface
What it does
This interface defines a contract for notifying customers when a shipment is created or updated in Magento 2.
Developers would implement or use this interface when they need to send shipment notification emails to customers, either automatically or manually, with optional comments.
The interface supports both synchronous and asynchronous notification modes.
Public Methods
- notify()