def to_request
        card = {
          number_token:       self.number_token,
          cardholder_name:    self.cardholder_name,
          security_code:      self.security_code,
          brand:              self.brand,
          expiration_month:   self.expiration_month,
          expiration_year:    self.expiration_year
        }

      return card
    end
def to_request
        card = {
          number_token:       self.number_token,
          cardholder_name:    self.cardholder_name,
          security_code:      self.security_code,
          brand:              self.brand,
          expiration_month:   self.expiration_month,
          expiration_year:    self.expiration_year
        }

      return card
    end
Nova instancia da classe Card
 @param [Hash] campos
 Montar o Hash de dados do pagamento no padrão utilizado pela Getnet