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": "time_series", "description": "Fetch the daily historical rates for a given base and target currency or metal between specified start and end dates from the TimeSeries API. The function is limited to a maximum range of 365 days and can query only one symbol per request.", "parameters": {"base": {"description": "The three-letter currency code or metal code of the base currency.", "type": "str", "default": "USD"}, "symbols": {"description": "The three-letter currency code or metal code of the target currency.", "type": "str", "default": "XAU"}, "end_date": {"description": "The end date of the timeframe in 'YYYY-MM-DD' format.", "type": "str", "default": "2023-01-10"}, "start_date": {"description": "The start date of the timeframe in 'YYYY-MM-DD' format.", "type": "str", "default": "2022-12-20"}}}, {"name": "key_metrics", "description": "Fetches either annual or quarterly key metrics for a single stock company.", "parameters": {"symbol": {"description": "The ticker symbol of the stock company.", "type": "str", "default": "AAPL"}, "period": {"description": "The period for which to fetch metrics, either 'annual' or 'quarterly'.", "type": "str", "default": "annual"}}}, {"name": "stock_news", "description": "Fetches the latest news related to a specific stock symbol/ticker.", "parameters": {"symbol": {"description": "The stock symbol or ticker for which to fetch news. Examples include 'MSFT:NASDAQ', 'MSFT', '^DJI', and 'VTSAX'.", "type": "str", "default": "AAPL:NASDAQ"}, "language": {"description": "The language in which to return the results, specified as a 2-letter ISO 639-1 code. Default is 'en'.", "type": "str, optional", "default": "en"}}}, {"name": "stock_get_histories", "description": "Fetches historical stock market data for a given performance ID.", "parameters": {"performanceid": {"description": "The PerformanceId field retrieved from the /market/auto-complete or /market/get-summary APIs.", "type": "str", "default": "0P00001GJH"}}}]
What's the latest news on the Dow Jones Industrial Average (^DJI) in English?
user
assistant
[{"name": "stock_news", "arguments": {"symbol": "^DJI", "language": "en"}}]