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": "following_by_pk", "description": "Fetches the Instagram following list for a given user by their primary key (PK). ", "parameters": {"pk": {"description": "The primary key of the Instagram user whose following list is to be fetched.", "type": "str", "default": "232192182"}, "corsenabled": {"description": "Enables Cross-Origin Resource Sharing (CORS). Defaults to 'false'.", "type": "str, optional", "default": "false"}, "nextmaxid": {"description": "The maximum ID for pagination to fetch subsequent pages of the following list. Defaults to None.", "type": "str, optional", "default": ""}}}, {"name": "hashtag_data_by_name", "description": "Fetches data for a specified TikTok hashtag using the given challenge name.", "parameters": {"challenge_name": {"description": "The name of the TikTok hashtag challenge to retrieve data for.", "type": "str", "default": "food"}}}]
I've got an Instagram user's primary key '1234567890'. Can you fetch their following list? Also, I want to know about the TikTok challenge '#funnycatvideos'.
user
assistant
[{"name": "following_by_pk", "arguments": {"pk": "1234567890"}}, {"name": "hashtag_data_by_name", "arguments": {"challenge_name": "funnycatvideos"}}]