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": "items", "description": "Fetches item details from the Codester API using the specified item ID.", "parameters": {"is_id": {"description": "The item ID for which details are to be fetched.", "type": "str", "default": "40946"}}}]
Can you fetch details for item ID 12345 and also for item ID 67890?
user
assistant
[{"name": "items", "arguments": {"is_id": "12345"}}, {"name": "items", "arguments": {"is_id": "67890"}}]