First of all, you need to understand that now we can only upload goods to the Hotline - for this we have an action in automation once an hour.
To be honest, after looking at the file that is generated by the action and the XML Hotline documentation (
https://ibud.ua/ru/faq-question/tekhnicheskie-trebovaniya-k-prays-listam-42#%D1%... D1%80%D0%BC%D0%B0%D1%82_hotline_XML), I don't see in which tags we can indicate information about the method and cost of delivery.
But! In action, we have a universal tool
https://prnt.sc/u1tmxk , which will allow us to unload any value from the additional product field into the XML file for Hotline, where it is convenient to store the values of delivery methods and costs accordingly. Accordingly, you need to find out in which tag you need to keep the values \u200b\u200bfor the Hotline you need.