wwwdotpaypaldotme

Hi, This is a question for those who are working with PP the url "wwwDOTpaypalDOTme/[amount to be paid] for example: "wwwDOTpaypalDOTme/800" will result in opening the paypal page asking you to pay $200>> this question is, and I couldn't find the answer so far.. can on also add a memo? so the...