% param_prefix = "payment_source[#{payment_method.id}]" %>
<%= label_tag "name_on_card_#{payment_method.id}" do %> <%= Spree.t(:name_on_card) %>* <% end %> <%= text_field_tag "#{param_prefix}[name]", "#{@order.bill_address_firstname} #{@order.bill_address_lastname}", { id: "name_on_card_#{payment_method.id}", class: 'form-control required'} %>