<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Event/etc/events.xsd">
    <event name="sales_model_service_quote_submit_before">
        <observer name="bobgo_Customshipping_sales_model_service_quote_submit_before"
                  instance="bobgo\Customshipping\Observer\SaveOrderBeforeSalesModelQuote" />
    </event>
</config>