    # File lib/active_merchant/billing/integrations/paypal/helper.rb, line 23
              def initialize(order, account, options = {})
                super
                add_field('cmd', '_ext-enter')
                add_field('redirect_cmd', '_xclick')
                add_field('quantity', 1)
                add_field('item_name', 'Store purchase')
                add_field('no_shipping', '1')
                add_field('no_note', '1')
                add_field('charset', 'utf-8')
                add_field('address_override', '0')
                add_field('bn', application_id.to_s.slice(0,32)) unless application_id.blank?
              end