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": "take_image_screenshot", "description": "Takes a screenshot of a specified website using given dimensions.", "parameters": {"width": {"description": "The width of the screenshot in pixels. Defaults to 1024.", "type": "int, optional", "default": "1024"}, "url": {"description": "The URL of the website to be captured. Defaults to 'https://google.com'.", "type": "str, optional", "default": "https://google.com"}, "height": {"description": "The height of the screenshot in pixels. Defaults to 780.", "type": "int, optional", "default": "780"}}}, {"name": "get_user", "description": "Retrieve information about an Instagram user.", "parameters": {"user": {"description": "The username of the Instagram user to retrieve information for.", "type": "str", "default": "cristiano"}}}]
Capture a screenshot of the Wikipedia homepage with a height of 800 pixels.
user
assistant
[{"name": "take_image_screenshot", "arguments": {"url": "https://wikipedia.org", "height": 800}}]