Product Quantity This form demonstrates changing the number of items purchased by tracking a List Counter field. Add entries to the List field to see the quantity and total fee change. The List Counter field is a hidden field.List*First NameLast Name List CounterTickets Price: $ 10.00 QuantityThis Product Quantity field tracks the List Counter field, so it changes with the number of rows in the list.Total $ 0.00 EmailThis field is for validation purposes and should be left unchanged. This iframe contains the logic required to handle Ajax powered Gravity Forms.