Source Currency and Target Currency are custom fields that contains currency exchange code and country.
Adding Source and Target Currency fields
First, we have to add Source Currency and Target Currency fields on issue’s screen to give users ability to edit this fields.
Go to the list of projects. Select a company-managed project and go the Project Settings.
Then, select Screens menu tab from the left panel.
Select any screen you want depending on your requirements. In our example we add these fields to every screen.
Add fields Source Currency and Target Currency to your screens.
Now our View/Edit issue screen looks like this:
Now we could set a base currency for our Price field and set currency we want convert to. In our example we will convert 130 USD to UAH.