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": "v1_category", "description": "Fetches a list of trending categories from the Tokapi Mobile API using specified query parameters.", "parameters": {"count": {"description": "Number of categories to fetch. Defaults to 10.", "type": "int", "default": 10}, "offset": {"description": "Offset for pagination. Defaults to 0.", "type": "int", "default": 0}, "region": {"description": "Region code for filtering categories. Defaults to 'US'.", "type": "str", "default": "US"}}}, {"name": "user_tweets_replies_by_screen_name", "description": "Fetches the tweets and replies of a specified user by their screen name using the Twitter API.", "parameters": {"username": {"description": "The screen name of the user whose tweets and replies are to be fetched.", "type": "str", "default": "elonmusk"}, "cursor": {"description": "The cursor for pagination, if any. Defaults to None.", "type": "str, optional", "default": ""}, "limit": {"description": "The maximum number of tweets and replies to fetch. Defaults to '40'.", "type": "str, optional", "default": "40"}}}, {"name": "search", "description": "Searches for a profile on the specified API using the given username and API key.", "parameters": {"username": {"description": "The username to be searched. Defaults to 'kim'.", "type": "str", "default": "kim"}}}]
Fetch tweets and replies for user 'SportsFanatic' with a limit of 30 from Twitter API.
user
assistant
[{"name": "user_tweets_replies_by_screen_name", "arguments": {"username": "SportsFanatic", "limit": "30"}}]