You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "fx", "description": "Converts a specified `amount` of currency from one type to another using the ForexGo API, with an optional historical date.", "parameters": {"amount": {"description": "The amount of currency to be converted.", "type": "int", "default": "10"}, "is_from": {"description": "The source currency code (e.g., 'USD', 'EUR').", "type": "str", "default": "EUR"}, "to": {"description": "The target currency code to convert to.", "type": "str", "default": "USD"}, "date": {"description": "The date for historical conversion rates in ISO format (YYYY-MM-DDTHH:mm:ss.sssZ). Defaults to None for real-time rates.", "type": "str, optional", "default": ""}}}]
Convert 50000 KRW to USD and EUR on the first day of 2023.
user
assistant
[{"name": "fx", "arguments": {"amount": 50000, "is_from": "KRW", "to": "USD", "date": "2023-01-01T00:00:00.000Z"}}, {"name": "fx", "arguments": {"amount": 50000, "is_from": "KRW", "to": "EUR", "date": "2023-01-01T00:00:00.000Z"}}]