Pricing/EventListener/TaxGroupListener.php
public function onInsert(ResourceEventInterface $event)
    {
        $taxGroup = $this->getTaxGroupFromEvent($event);

        $this->fixDefault($taxGroup);
    }
public function onInsert(ResourceEventInterface $event)
    {
        $taxGroup = $this->getTaxGroupFromEvent($event);

        $this->fixDefault($taxGroup);
    }
Insert event handler.

@param ResourceEventInterface $event