get coupon code in the newsletter email template.

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1 Answer 1


Yes,it is possible.

  1. Create A cart rules from admin > Marketing > Cart Rules.

2.Create observer event email_newsletter_set_template_vars_before.So, at this event you can add new parameter via transport to template means you can create coupon and send to email.



class ObserverforAddCustomVariable implements ObserverInterface {

protected $ruleFactory;
protected $massgenerator;
protected $logger;

public function __construct(\Magento\SalesRule\Model\RuleFactory $ruleFactory,\Magento\SalesRule\Model\Coupon\Massgenerator $massgenerator, \Psr\Log\LoggerInterface $logger ) {
    $this->ruleFactory= $ruleFactory;
    $this->massgenerator = $massgenerator;
    $this->logger = $logger;

 * @param \Magento\Framework\Event\Observer $observer
 * @return void
public function execute(\Magento\Framework\Event\Observer $observer)
    /** @var \Magento\Framework\App\Action\Action $controller */
    $transport = $observer->getTransport();
    $transport['free-coupon'] = "FREE2020";


  1. At the email template , you can get this custom variables free-coupon using {{var free-coupon|raw}}
  • There is no such event like email_newsletter_set_template_vars_before. Jan 2 at 18:50

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