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": "web_search", "description": "Performs a web search using the specified query and parameters, and returns the search results.", "parameters": {"q": {"description": "Search query string.", "type": "str", "default": "word cup"}, "num": {"description": "Number of search results to return. Valid values are integers between 1 and 20, inclusive. Defaults to 10.", "type": "int, optional", "default": "10"}, "start": {"description": "The index of the first result to return. Defaults to '0'.", "type": "str, optional", "default": "0"}, "gl": {"description": "Two-letter country code to boost search results from that country. Defaults to 'us'.", "type": "str, optional", "default": "us"}, "lr": {"description": "Restricts the search to documents written in a particular language. Defaults to 'lang_en'.", "type": "str, optional", "default": "lang_en"}}}, {"name": "vehicle_market_value_by_vin", "description": "Fetches the market value of a vehicle based on its VIN (Vehicle Identification Number) using the Toolbench RapidAPI service.", "parameters": {"vin": {"description": "The vehicle identification number to query.", "type": "str", "default": "5UXKR0C58JL074657"}, "mileage": {"description": "The current mileage of the vehicle. If not specified, the average mileage is used. Default is None.", "type": "str, optional", "default": ""}, "period": {"description": "Number of days to look back for sales data, with a maximum value of 365 days. Default is None.", "type": "str, optional", "default": ""}}}]
Fetches the market value of a vehicle with the VIN '1A2B3C4D5E6F7G8H9', a mileage of 50,000 miles, and a period of 30 days.
user
assistant
[{"name": "vehicle_market_value_by_vin", "arguments": {"vin": "1A2B3C4D5E6F7G8H9", "mileage": "50000", "period": "30"}}]