val amount: Long?

Amount intended to be collected by this PaymentIntent. A positive integer representing how much to charge in the smallest currency unit (e.g., 100 cents to charge $1.00 or 100 to charge ¥100, a zero-decimal currency). The minimum amount is $0.50 US or equivalent in charge currency. The amount value supports up to eight digits (e.g., a value of 99999999 for a USD charge of $999,999.99).