Supplier/EventListener/AbstractListener.php
protected function scheduleSupplierOrderContentChangeEvent(Model\SupplierOrderInterface $order)
    {
        $this->persistenceHelper->scheduleEvent(SupplierOrderEvents::CONTENT_CHANGE, $order);
    }
protected function scheduleSupplierOrderContentChangeEvent(Model\SupplierOrderInterface $order)
    {
        $this->persistenceHelper->scheduleEvent(SupplierOrderEvents::CONTENT_CHANGE, $order);
    }
Schedules the supplier order content change event.

@param Model\SupplierOrderInterface $order