createTransaction use shop domain

[user4534]

Hi. I create payment module. I use this article

https://dev.wix.com/docs/velo/api-reference/wix-payment/service-plugin-spi/wix-payments/payment-provider/create-transaction

I want pass shop domain url to my payment gateway. How can I get shop domain? I dont use frontend so i cant use wix-location
createTransaction context don’t have need values