PropertyValueCollectionBase::onItemModify

public function onItemModify(CollectableEntity $item, $name = null, $oldValue = null, $value = null)
{
	if (!$item instanceof EntityPropertyValue)
		throw new MainNotSupportedException();

	/** @var OrderBase $order */
	$order = $this->getOrder();
	return $order->onPropertyValueCollectionModify(EventActions::UPDATE, $item, $name, $oldValue, $value);
}