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": "getuserbyname", "description": "Fetches user details by username from the specified API endpoint using the provided RapidAPI key.", "parameters": {"username": {"description": "The username of the user to fetch details for.", "type": "str", "default": ""}}}]
Provide the details of users 'Fashionista', 'TechWhiz', and 'ArtLover'.
user
assistant
[{"name": "getuserbyname", "arguments": {"username": "Fashionista"}}, {"name": "getuserbyname", "arguments": {"username": "TechWhiz"}}, {"name": "getuserbyname", "arguments": {"username": "ArtLover"}}]