Can you guys guide me on how to properly do this. I created a module to extend the EmailNotification model but its not working. I'm getting error during compile:

Interface '[Namespace]\[Module]\Model\EmailNotificationInterface' not found in /app/code/[Namespace]/[Module]/Model/EmailNo
tification.php on line 8

What I'm trying to achieve is to send email notification to admin every time a customer registers. I'm overriding this model just to modify the private function sendEmailTemplate to addBcc when it sends welcome email to the newly registered customer.


<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
  <preference for="Magento\Customer\Model\EmailNotification" type="[Namespace]\[Module]\Model\EmailNotification" />


* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
namespace [Namespace]\[Module]\Model;

class EmailNotification implements EmailNotificationInterface

Note: I copied everything on EmailNotification.php and just modified some parts.


Create a plugin for \Magento\Customer\Model\EmailNotification. Update di.xml

<type name="\Magento\Customer\Model\EmailNotification">
    <plugin name="disable-email-notification" type="Module\Model\Plugin\EmailNotification" sortOrder="1"/>

then create the plugin

class EmailNotification
    public function aroundNewAccount(\Magento\Customer\Model\EmailNotification $subject, \Closure $proceed)
        return $subject;
  • Its a private function. Does plugin work on private function? – Jim Jun 11 '18 at 19:27
  • which function use ? – user68116 Jun 11 '18 at 19:46
  • private function sendEmailTemplate This is the function I want to modify. – Jim Jun 11 '18 at 19:59
  • why this function modify ? – user68116 Jun 11 '18 at 20:04
  • Private functions cannot be modified with a plugin nor can they be overriden by extending the class. Good job magento... – omsta Jul 16 at 9:27

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