ShipmentCollection::getItemByShipmentCode

public function getItemByShipmentCode($itemCode)
{
	/** @var Shipment $shipment */
	foreach ($this->collection as $shipment)
	{
		$shipmentCode = $shipment->getShipmentCode();
		if ($itemCode == $shipmentCode)
			return $shipment;

	}

	return null;
}