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<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="email_order_set_template_vars_before">
        <observer name="cnc_email_sender_order_sender"
                  instance="Cnc\Sales\Observer\Model\Order\Email\Sender\OrderSenderPlugin"/>
    </event>
</config>