How is the currency setting for different countries implemented?

Question

Unity

Hi all. I'm new to game development and am in the final stages of releasing my app. But I just can’t understand how the purchase of items is set up so that players from different countries see the price tag in their currency.
Infu find something does not work or it is not enough.
Also, a mini question on the topic: can you use one currency ($) for all players at all and not bother? (I think it's not the best idea)
I would be glad for any help or hints in which direction to dig.

Answer 1

It is sent by the store. In UnityIAP it's something like localizedPrice. Smoke manuals.
It is also configured in the stores.