Add 3DS MPI Externo fields to Payment request

src/main/java/com/mercadopago/client/payment/PaymentAuthenticationRequest.java

@@ -0,0 +1,33 @@
+package com.mercadopago.client.payment;
+
+import lombok.Builder;
+import lombok.Getter;
+
+/** PaymentAuthenticationRequest class. */
+@Getter
+@Builder
+public class PaymentAuthenticationRequest {
+    /** Type. */
+    private final String type;
+
+    /** Cryptogram. */
+    private final String cryptogram;
+
+    /** 3DS Server Trans ID. */
+    private final String threeDsServerTransId;
+
+    /** ECI. */
+    private final String eci;
+
+    /** 3DS Trans ID. */
+    private final String dsTransId;
+
+    /** ACS Trans ID. */
+    private final String acsTransId;
+
+    /** 3DS Version. */
+    private final String threeDsVersion;
+
+    /** Authentication Status. */
+    private final String authenticationStatus;
+}

src/main/java/com/mercadopago/client/payment/PaymentDataRequest.java

@@ -10,4 +10,7 @@ public class PaymentDataRequest {
 
   /** Rules. */
   private final PaymentRulesRequest rules;
+
+  /** Authentication. */
+  private final PaymentAuthenticationRequest authentication;
 }

src/main/java/com/mercadopago/client/payment/PaymentMethodRequest.java

@@ -8,6 +8,9 @@
 @Builder
 public class PaymentMethodRequest {
 
+  /** Type. */
+  private final String type;
+
   /** Data. */
   private final PaymentDataRequest data;
 }