How to get Selected Currency in k2 Store - Joomla 3.x

Question

I am creating a payment plugin for my k2 Store powered by joomla 3.8.2.

I want to get current or selected currency code USD.

basically I am looking some helper function which return selected Currency. something like this K2Store::currency

I found this K2StoreFactory::getCurrencyObject() but its return all currency instead selected one.

Answer 1

I found it myself, hope its help someone

$currency = K2StoreFactory::getCurrencyObject();
$currency_code = $currency->getCode();