messages.content: What is the circumference of a circle with a radius of 4 inches?
messages.role: user
messages.role: assistant
messages.arguments: {"radius": 4, "unit": "inches"}
messages.name: calculate_circumference
messages.type: function
tools: [{"type": "function", "function": {"name": "calculate_circumference", "description": "Calculates the circumference of a circle with a given radius.", "parameters": {"type": "dict", "properties": {"radius": {"type": "integer", "description": "The radius of the circle in the unit given."}, "unit": {"type": "string", "description": "The unit of measurement for the radius. Default is 'cm'."}}, "required": ["radius"]}}}]