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": "latest_rates", "description": "Fetch the latest real-time exchange rate data for specified symbols and base currency.", "parameters": {"symbols": {"description": "A list of comma-separated currency or metal codes to limit the output.", "type": "str", "default": "XAU"}, "base": {"description": "The three-letter currency or metal code for the preferred base currency.", "type": "str", "default": "USD"}}}]
Fetch the current rates of platinum and palladium in Euros.
user
assistant
[{"name": "latest_rates", "arguments": {"symbols": "XPT,XPD", "base": "EUR"}}]