<?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="sales_order_save_before">
        <observer name="sales_order_save_before_country_name" instance="\Dinhvan\Sales\Observer\Sales\Order\SubmitBefore" />
    </event>
    <event name="email_shipment_set_template_vars_before">
        <observer name="sales_email_shipment_add_invoice" instance="\Dinhvan\Sales\Observer\Sales\Email\AddInvoiceVariable" />
    </event>
</config>