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": "user_by_id", "description": "Retrieves user information from the Hacker News API given a user ID.", "parameters": {"is_id": {"description": "Case-sensitive user ID.", "type": "str", "default": "wing328hk"}}}, {"name": "getpetbyid", "description": "Fetches the details of a pet given its pet ID using the Toolbench RapidAPI.", "parameters": {"petid": {"description": "The ID of the pet to retrieve.", "type": "int", "default": ""}}}, {"name": "properties_get_broadband", "description": "Fetch broadband information for a given property listing.", "parameters": {"listing_id": {"description": "The ID of the property listing for which broadband information is to be retrieved. This value is typically obtained from the `/properties/list` endpoint.", "type": "int", "default": "56354192"}}}]
Please get the broadband details for property 567890. Also, who is the HN user 'emma_tech'?
user
assistant
[{"name": "properties_get_broadband", "arguments": {"listing_id": 567890}}, {"name": "user_by_id", "arguments": {"is_id": "emma_tech"}}]