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": "pursuit", "description": "Performs a search for files using specified query parameters on FilePursuit and returns the search results.", "parameters": {"q": {"description": "The search query.", "type": "str", "default": ""}, "filetype": {"description": "The file extension to filter results by. Only one file extension is accepted per query.", "type": "str, optional", "default": ""}, "type": {"description": "The file extension to filter results by. Only one file extension is accepted per query.", "type": "str, optional", "default": ""}, "sort": {"description": "The sorting order of the results. Accepted values are 'sizeasc', 'sizedesc', 'dateasc', 'datedesc', 'fileasc', and 'filedesc'. By default, 'datedesc' is selected.", "type": "str, optional", "default": ""}, "start": {"description": "The starting count for pagination.", "type": "int, optional", "default": ""}}}]
Locate mobile applications related to fitness and nutrition, sorted by file name in descending order.
user
assistant
[{"name": "pursuit", "arguments": {"q": "fitness and nutrition", "type": "mobile", "sort": "filedesc"}}]