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": "api_userinfo", "description": "Fetches the avatar, followers count, likes count, and videos count of a TikTok user by user ID.", "parameters": {"is_id": {"description": "The ID of the TikTok user.", "type": "str", "default": "6867450947363636225"}}}, {"name": "playlist_info", "description": "Fetches information about a SoundCloud playlist using the RapidAPI service.", "parameters": {"playlist_url": {"description": "The URL of the SoundCloud playlist to fetch information for.", "type": "str", "default": "https://soundcloud.com/vghc3eihbsdq/sets/almost-lover"}}}, {"name": "tweet_retweeters", "description": "Fetches the retweeters of a specific tweet using the Twitter API.", "parameters": {"is_id": {"description": "The ID of the tweet for which retweeters are to be fetched.", "type": "str", "default": "1485953263040188416"}, "count": {"description": "The number of retweeters to fetch. Defaults to 20.", "type": "int, optional", "default": "20"}, "cursor": {"description": "The cursor parameter for paginating results.", "type": "str, optional", "default": ""}}}, {"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 user details for TikTok user 'user678' and the info of the SoundCloud playlist at 'https://soundcloud.com/playlist678'.
user
assistant
[{"name": "api_userinfo", "arguments": {"is_id": "user678"}}, {"name": "playlist_info", "arguments": {"playlist_url": "https://soundcloud.com/playlist678"}}]