diff --git a/src/MercadoPago/Resources/Payment/Barcode.php b/src/MercadoPago/Resources/Payment/Barcode.php
new file mode 100644
index 00000000..86c2bd81
--- /dev/null
+++ b/src/MercadoPago/Resources/Payment/Barcode.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace MercadoPago\Resources\Payment;
+
+/** Barcode class. */
+class Barcode
+{
+    /** Content info. */
+    public ?string $content;
+}
diff --git a/src/MercadoPago/Resources/Payment/TransactionData.php b/src/MercadoPago/Resources/Payment/TransactionData.php
index b0a72fa0..4c01f29f 100644
--- a/src/MercadoPago/Resources/Payment/TransactionData.php
+++ b/src/MercadoPago/Resources/Payment/TransactionData.php
@@ -31,7 +31,6 @@ class TransactionData
     /** Ticket Url. */
     public ?string $ticket_url;
 
-
     /** E2E ID. */
     public ?string $e2e_id;
 
diff --git a/src/MercadoPago/Resources/Payment/TransactionDetails.php b/src/MercadoPago/Resources/Payment/TransactionDetails.php
index 2bcebb0f..79f01b6c 100644
--- a/src/MercadoPago/Resources/Payment/TransactionDetails.php
+++ b/src/MercadoPago/Resources/Payment/TransactionDetails.php
@@ -2,9 +2,14 @@
 
 namespace MercadoPago\Resources\Payment;
 
+use MercadoPago\Serialization\Mapper;
+
 /** TransactionDetails class. */
 class TransactionDetails
 {
+    /** Class mapper. */
+    use Mapper;
+
     /** External financial institution identifier. */
     public ?string $financial_institution;
 
@@ -40,4 +45,22 @@ class TransactionDetails
 
     /** Transaction ID. */
     public ?string $transaction_id;
+
+    /** Barcode info. */
+    public array|object|null $barcode;
+
+    /** Verification code info. */
+    public ?string $verification_code;
+
+    private $map = [
+        "barcode" => "MercadoPago\Resources\Payment\Barcode",
+    ];
+
+    /**
+    * Method responsible for getting map of entities.
+    */
+    public function getMap(): array
+    {
+        return $this->map;
+    }
 }