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_feed_video_posts_v2", "description": "Fetches user feed video posts from TikTok using version 2 of the API.", "parameters": {"limit": {"description": "Limit the number of records returned. Defaults to 30, with a maximum of 30.", "type": "int, optional", "default": ""}, "max_cursor": {"description": "Pagination cursor for getting additional videos. Use the value of `max_cursor` from the previous request response to fetch more videos.", "type": "int, optional", "default": ""}, "username": {"description": "The username of the TikTok influencer. For example, `'charlidamelio'`. Defaults to `'tiktok'`.", "type": "str, optional", "default": "tiktok"}, "sec_uid": {"description": "The secondary unique ID for faster request processing. It can be obtained from the User Information endpoint. For example: `'MS4wLjABAAAAv7iSuuXDJGDvJkmH_vz1qkDZYo1apxgzaxdBSeIuPiM'`.", "type": "str, optional", "default": ""}}}, {"name": "instagram", "description": "Checks the availability of a given Instagram username using RapidAPI.", "parameters": {"username": {"description": "The Instagram username to be checked.", "type": "str", "default": "username"}}}]
Is the Instagram username 'anotherusername' available? Fetch the first 5 video posts from the TikTok user whose secondary unique ID is 'usersecuid'. Then fetch the first 15 video posts from the same TikTok user.
user
assistant
[{"name": "instagram", "arguments": {"username": "anotherusername"}}, {"name": "user_feed_video_posts_v2", "arguments": {"limit": 5, "sec_uid": "usersecuid"}}, {"name": "user_feed_video_posts_v2", "arguments": {"limit": 15, "sec_uid": "usersecuid"}}]