I found a solution that worked for me. I created a center link, then added that link to the menu. Thank you all

I think I didn't express myself properly. What happens is that we have already placed a purchase order in one currency, then a billing order in the same currency, but what we needed is for this charge to be in a different currency. We couldn't change the currency, netsuite didn't allow it, so we made a new charge, but then…

Thanks everyone for the replies. I managed to understand the problem.