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": "user_data_by_name", "description": "Fetches user data from TikTok Solutions API for a given username.", "parameters": {"username": {"description": "The username of the TikTok user whose data is to be retrieved.", "type": "str", "default": "mrbeast"}}}, {"name": "trending_videos", "description": "Fetches a list of trending YouTube videos based on the given parameters.", "parameters": {"country": {"description": "The country code for which to retrieve trending videos. Defaults to 'us'.", "type": "str, optional", "default": "us"}, "lang": {"description": "The language code for the video titles and descriptions. Defaults to 'en'.", "type": "str, optional", "default": "en"}, "section": {"description": "The section of trending videos to retrieve. Possible values are \"Now\", \"Music\", \"Movies\", \"Gaming\". Defaults to 'Now'.", "type": "str, optional", "default": "Now"}}}]
Retrieve the user data for 'funny_girl' on TikTok and display the trending videos in the 'Now' section in English for the United States.
user
assistant
[{"name": "user_data_by_name", "arguments": {"username": "funny_girl"}}, {"name": "trending_videos", "arguments": {"section": "Now", "country": "us", "lang": "en"}}]