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": "getpetbyid", "description": "Fetches the details of a pet using its ID from an online pet store API.", "parameters": {"petid": {"description": "The ID of the pet to retrieve.", "type": "int", "default": ""}}}]
Retrieve information about a cat with ID 67890.
user
assistant
[{"name": "getpetbyid", "arguments": {"petid": 67890}}]