What are the arguments of a PMT function?

The PMT function in financial calculations requires three main arguments: the interest rate (rate), the total number of payment periods (nper), and the present value or principal amount (pv). Optionally, it can also take a future value (fv) and a type argument indicating whether payments are made at the beginning or end of each period. The function calculates the periodic payment needed to pay off a loan or investment based on these inputs.