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": "stock_get_five_yr_avg_div_yield", "description": "Fetches the five-year average dividend yield for a given stock symbol and region.", "parameters": {"symbol": {"description": "The stock ticker symbol (e.g., 'AAPL' for Apple Inc.).", "type": "str", "default": "AAPL"}, "region": {"description": "The region of the stock market. Allowed values are 'US', 'BR', 'AU', 'CA', 'FR', 'DE', 'HK', 'IN', 'IT', 'ES', 'GB', 'S'. Default is 'US'.", "type": "str, optional", "default": "US"}}}, {"name": "historical_rates", "description": "Fetches historical currency or metal rates for a given date.", "parameters": {"date": {"description": "The date for which to retrieve historical rates, in the format YYYY-MM-DD.", "type": "str", "default": "2022-01-20"}, "symbols": {"description": "A comma-separated list of currency codes or metal codes to limit the output.", "type": "str", "default": "XAU"}, "base": {"description": "The three-letter currency code or metal code of the preferred base currency.", "type": "str", "default": "USD"}}}]
Fetch the historical currency rates for the date 2022-12-01, with symbols as USD, EUR, GBP, and base as USD.
user
assistant
[{"name": "historical_rates", "arguments": {"date": "2022-12-01", "symbols": "USD,EUR,GBP", "base": "USD"}}]