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": "monthly_mortgage_payment", "description": "Calculates the monthly mortgage payment based on the loan amount, annual interest rate, and loan term.", "parameters": {"loan_amount": {"description": "The total amount of the loan.", "type": "float"}, "annual_interest_rate": {"description": "The annual interest rate as a decimal (e.g., 0.05 for 5%).", "type": "float"}, "loan_term_years": {"description": "The loan term in years.", "type": "int"}}}]
Compute the monthly payment for a $250,000 loan at 5% annual interest for 20 years.
user
assistant
[{"name": "monthly_mortgage_payment", "arguments": {"loan_amount": 250000, "annual_interest_rate": 0.05, "loan_term_years": 20}}]