I'm thinking I should get the currencies sublist, push all selected IDs to an array, and for any currency not in the array, add it to the sublist. To do that I just need a list of all the currencies, but I can't find currencies in the list of searchable record types. >.<

perhaps creating a record with a currency-field and get all the options available? Like a journal or something... maybe there is some better way?

I suppose another idea might be to check the available values in the Currency field in the Currencies sublist. I'll try

Field.getSelectOptions()

@Kris Wood What about using the query module and this?

SELECT ID, Name FROM Currency

@tdietrich thanks! I'll try that next.

Awesome! I'm glad it worked.