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": "tweet_retweets", "description": "Fetches the retweets for a given tweet.", "parameters": {"tweetid": {"description": "The ID of the tweet for which to retrieve retweets.", "type": "str", "default": "1668868113725550592"}, "count": {"description": "The number of retweets to retrieve. Defaults to '20'.", "type": "str, optional", "default": "20"}, "cursor": {"description": "Cursor for pagination to fetch the next set of retweets.", "type": "str, optional", "default": ""}}}, {"name": "channel_videos", "description": "Fetch the latest videos published by a YouTube channel using the provided RapidAPI key.", "parameters": {"channel_id": {"description": "The ID of the YouTube channel for which to fetch the latest videos.", "type": "str", "default": "UCg6gPGh8HU2U01vaFCAsvmQ"}}}, {"name": "music_posts", "description": "Fetches posts related to a specific music ID from the TikTok API.", "parameters": {"music_id": {"description": "The ID of the music for which to fetch posts.", "type": "str", "default": ""}, "count": {"description": "Number of posts to fetch. Defaults to 10.", "type": "int, optional", "default": "10"}, "offset": {"description": "Number of posts to skip before starting to collect the posts. Defaults to 0.", "type": "int, optional", "default": "0"}, "proxy": {"description": "Proxy server to use for the request. Defaults to None.", "type": "str, optional", "default": ""}}}]
Fetch the latest 50 videos from the YouTube channel with ID 'UC-9-kyTW8ZkZNDHQJ6FgpwQ'
user
assistant
[{"name": "channel_videos", "arguments": {"channel_id": "UC-9-kyTW8ZkZNDHQJ6FgpwQ"}}]