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": "top_grossing_ipad_apps", "description": "Fetch a list of the top-grossing iPad apps from the RapidAPI App Store.", "parameters": {"country": {"description": "The country code (e.g., 'us' for the United States). Default is 'us'.", "type": "str", "default": "us"}, "lang": {"description": "The language code (e.g., 'en' for English). Default is 'en'.", "type": "str", "default": "en"}, "category": {"description": "The category ID for the apps. Default is '6016'.", "type": "str", "default": "6016"}, "num": {"description": "The number of top-grossing apps to retrieve. Default is 100.", "type": "int", "default": "100"}}}, {"name": "get_user_by_gender", "description": "Fetches user data based on the specified gender from the fake-users6 API.", "parameters": {"gender": {"description": "The gender of the users to be retrieved.", "type": "str", "default": "male"}}}, {"name": "channel", "description": "Fetches details and videos of a YouTube channel using the RapidAPI YouTube V3 alternative.", "parameters": {"is_id": {"description": "The ID of the YouTube channel to fetch details for.", "type": "str", "default": "UCTwECeGqMZee77BjdoYtI2Q"}, "x_cachebypass": {"description": "Cache bypass parameter; must be passed as '1' if used.", "type": "str, optional", "default": ""}, "token": {"description": "Pagination token for fetching additional results beyond the first page.", "type": "str, optional", "default": ""}, "sort_by": {"description": "Parameter to sort the channel videos. Available options are 'newest', 'oldest', and 'popular'. Defaults to 'newest'.", "type": "str, optional", "default": ""}}}]
What are the top 50 grossing iPad apps in the US? Also, can I get details for the YouTube channel with the ID 'UC_x5XG1OV2P6uZZ5FSM9Ttw'?
user
assistant
[{"name": "top_grossing_ipad_apps", "arguments": {"country": "us", "lang": "en", "category": "6016", "num": 50}}, {"name": "channel", "arguments": {"is_id": "UC_x5XG1OV2P6uZZ5FSM9Ttw"}}]