Add fields

src/main/java/com/mercadopago/resources/payment/PaymentBarcode.java

@@ -0,0 +1,12 @@
+package com.mercadopago.resources.payment;
+
+import lombok.Builder;
+import lombok.Getter;
+
+/** PaymentBarcode class. */
+@Getter
+@Builder
+public class PaymentBarcode {
+    /** Barcode content. */
+    private final String content;
+}

src/main/java/com/mercadopago/resources/payment/PaymentTransactionDetails.java

@@ -1,6 +1,7 @@
 package com.mercadopago.resources.payment;
 
 import java.math.BigDecimal;
+
 import lombok.Getter;
 
 /** PaymentTransactionDetails class. */
@@ -35,4 +36,19 @@ public class PaymentTransactionDetails {
 
   /** BACEN identifier for Pix. */
   private String transactionId;
+
+  /** Barcode digitable line. */
+  private String digitableLine;
+
+  /** Verification code. */
+  private String verificationCode;
+
+  /** Payable deferral period. */
+  private String payableDeferralPeriod;
+
+  /** Bank transfer id. */
+  private String bankTransferId;
+
+  /** Barcode data. */
+  private PaymentBarcode barcode;
 }