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": "get_user_pins", "description": "Retrieves the Pinterest pins of a specified user.", "parameters": {"username": {"description": "The Pinterest username whose pins are to be fetched.", "type": "str", "default": "0869178429hau"}}}]
I'm trying to find the latest pins from the user 'fashionista99', can you help me?
user
assistant
[{"name": "get_user_pins", "arguments": {"username": "fashionista99"}}]