// others imports
import cieloecommerce.sdk.Merchant;
import cieloecommerce.sdk.ecommerce.Address;
import cieloecommerce.sdk.ecommerce.CieloEcommerce;
import cieloecommerce.sdk.ecommerce.CreditCard;
import cieloecommerce.sdk.ecommerce.Environment;
import cieloecommerce.sdk.ecommerce.Payment;
import cieloecommerce.sdk.ecommerce.Payment.Provider;
import cieloecommerce.sdk.ecommerce.Payment.Type;
import cieloecommerce.sdk.ecommerce.Sale;
import cieloecommerce.sdk.ecommerce.request.CieloError;
import cieloecommerce.sdk.ecommerce.request.CieloRequestException;

        String merchantId = payerCredential.getValue();
        String merchantKey = payerCredential.getValue();
        String billetBank = payerCredential.getValue();

        UserStore user = // get user from session

        Integer orderValueCielo = // order total value

        Merchant merchant = new Merchant(merchantId, merchantKey);
        Sale sale = new Sale(order.getOrderNumber());
        cieloecommerce.sdk.ecommerce.Customer customer = sale.customer(StringUtil.accentRemoval(user.getName()));

        Payment payment = sale.payment(orderValueCielo);
        payment.setCurrency(Payment.Currency.BRL);

        customer.setIdentity("cpf", order.getUserStore().getCpf());
        payment.setType(Type.Boleto);
        if (PayerCredential.CIELO_BANK_BILLET_BRADESCO.equals(billetBank)) {
            payment.setProvider(Provider.Bradesco2); // Now the value is Bradesco2
        } else if (PayerCredential.CIELO_BANK_BILLET_BANCO_DO_BRASIL.equals(billetBank)) {
            payment.setProvider(Provider.BancoDoBrasil);
        }

        UserStoreAddress userAddress = // get user address from session
        Address address = new Address();
        address.setStreet(userAddress.getAddress());
        address.setNumber(userAddress.getNumber());
        address.setComplement(userAddress.getCompletion());
        address.setDistrict(userAddress.getNeighborhood());
        address.setZipCode(userAddress.getCep());
        address.setCity(userAddress.getCity());
        address.setState(userAddress.getState());
        address.setCountry("BRA");
        customer.setAddress(address);

        return new CieloEcommerce(merchant, Environment.PRODUCTION).createSale(sale);