diff --git a/src/Entities/Enums/Secure3dStatus.php b/src/Entities/Enums/Secure3dStatus.php
index df29df08..b44f3c38 100644
--- a/src/Entities/Enums/Secure3dStatus.php
+++ b/src/Entities/Enums/Secure3dStatus.php
@@ -10,7 +10,8 @@ class Secure3dStatus extends Enum
     const SUCCESS_ATTEMPT_MADE = 'SUCCESS_ATTEMPT_MADE';
     const NOT_AUTHENTICATED = 'NOT_AUTHENTICATED';
     const FAILED = 'FAILED';
-    const CHALLENGE_REQUIRED = 'CHALLENGE_REQUIRED';
     const NOT_ENROLLED = 'NOT_ENROLLED';
+    const AVAILABLE = 'AVAILABLE';
     const ENROLLED = 'ENROLLED';
+    const CHALLENGE_REQUIRED = 'CHALLENGE_REQUIRED';
 }
\ No newline at end of file
diff --git a/src/Entities/GpApi/GpApiAuthorizationRequestBuilder.php b/src/Entities/GpApi/GpApiAuthorizationRequestBuilder.php
index cbbdf111..14936cb7 100644
--- a/src/Entities/GpApi/GpApiAuthorizationRequestBuilder.php
+++ b/src/Entities/GpApi/GpApiAuthorizationRequestBuilder.php
@@ -159,14 +159,7 @@ private function createPaymentMethodParam($builder)
         if ($paymentMethodContainer instanceof CreditCardData) {
             $secureEcom = $paymentMethodContainer->threeDSecure;
             if (!empty($secureEcom)) {
-                $threeDS = [
-                    'message_version' => $secureEcom->messageVersion,
-                    'eci' => $secureEcom->eci,
-                    'value' => $secureEcom->authenticationValue,
-                    'server_trans_ref' => $secureEcom->serverTransactionId,
-                    'ds_trans_ref' => $secureEcom->directoryServerTransactionId
-                ];
-                $paymentMethod->authentication = ['three_ds' => $threeDS];
+                $paymentMethod->authentication = ['id' => $secureEcom->serverTransactionId];
             }
         }
 
diff --git a/src/Entities/GpApi/GpApiSecure3DRequestBuilder.php b/src/Entities/GpApi/GpApiSecure3DRequestBuilder.php
index 1e045677..17f25aa4 100644
--- a/src/Entities/GpApi/GpApiSecure3DRequestBuilder.php
+++ b/src/Entities/GpApi/GpApiSecure3DRequestBuilder.php
@@ -72,7 +72,6 @@ private function verifyEnrolled(Secure3dBuilder $builder, GpApiConfig $config)
         $threeDS['amount'] = StringUtils::toNumeric($builder->amount);
         $threeDS['currency'] = $builder->currency;
         $threeDS['preference'] = $builder->challengeRequestIndicator;
-        $threeDS['transaction_type'] = $builder->orderTransactionType;
         $threeDS['source'] = (string) $builder->authenticationSource;
         $threeDS['payment_method'] = $this->setPaymentMethodParam($builder->paymentMethod);
         $threeDS['notifications'] = [
@@ -104,7 +103,7 @@ private function initiateAuthenticationData(Secure3dBuilder $builder, GpApiConfi
             'message_version' => $builder->messageVersion
         ];
         $threeDS['method_url_completion_status'] = (string) $builder->methodUrlCompletion;
-        $threeDS['merchant_contact_url'] = 'https://enp4qhvjseljg.x.pipedream.net/'; // @TODO
+        $threeDS['merchant_contact_url'] = $config->merchantContactUrl;
         $order = [
             'time_created_reference' => !empty($builder->orderCreateDate) ?
                 (new \DateTime($builder->orderCreateDate))->format('Y-m-d\TH:i:s.u\Z') : null,
diff --git a/src/Entities/ThreeDSecure.php b/src/Entities/ThreeDSecure.php
index e34b772a..3ff17202 100644
--- a/src/Entities/ThreeDSecure.php
+++ b/src/Entities/ThreeDSecure.php
@@ -87,11 +87,6 @@ public function setAmount($value)
      */
     public $challengeMandated;
 
-    /**
-     * @var string
-     */
-    public $challengeValue;
-
     /**
      * string
      */
@@ -351,6 +346,11 @@ public function setVersion($version)
      */
     public $sessionDataFieldName;
 
+    /**
+     * @var string
+     */
+    public $liabilityShift;
+
     public function __construct()
     {
         $this->paymentDataType = '3DSecure';
@@ -376,7 +376,6 @@ public function merge(ThreeDSecure $secureEcom)
             $this->cardHolderResponseInfo = $this->mergeValue($this->cardHolderResponseInfo, $secureEcom->cardHolderResponseInfo);
             $this->cavv = $this->mergeValue($this->cavv, $secureEcom->cavv);
             $this->challengeMandated = $this->mergeValue($this->challengeMandated, $secureEcom->challengeMandated);
-            $this->challengeValue = $this->mergeValue($this->challengeValue, $secureEcom->challengeValue);
             $this->messageExtension = $this->mergeValue($this->messageExtension, $secureEcom->messageExtension);
             $this->currency = $this->mergeValue($this->currency, $secureEcom->currency);
             $this->decoupledResponseIndicator = $this->mergeValue($this->decoupledResponseIndicator, $secureEcom->decoupledResponseIndicator);
@@ -405,6 +404,7 @@ public function merge(ThreeDSecure $secureEcom)
             $this->challengeReturnUrl = $this->mergeValue($this->challengeReturnUrl, $secureEcom->challengeReturnUrl);
             $this->exemptStatus = $this->mergeValue($this->exemptStatus, $secureEcom->exemptStatus);
             $this->exemptReason = $this->mergeValue($this->exemptStatus, $secureEcom->exemptReason);
+            $this->liabilityShift = $this->mergeValue($this->liabilityShift, $secureEcom->liabilityShift);
         }
     }
 
diff --git a/src/Mapping/GpApiMapping.php b/src/Mapping/GpApiMapping.php
index 8d3a58d6..b33ef28c 100644
--- a/src/Mapping/GpApiMapping.php
+++ b/src/Mapping/GpApiMapping.php
@@ -19,6 +19,7 @@
 use GlobalPayments\Api\Entities\ThreeDSecure;
 use GlobalPayments\Api\Entities\Transaction;
 use GlobalPayments\Api\Utils\StringUtils;
+use GlobalPayments\Api\Entities\MessageExtension;
 
 class GpApiMapping
 {
@@ -362,7 +363,7 @@ public static function mapResponseSecure3D($response)
         $transaction = new Transaction();
         $threeDSecure = new ThreeDSecure();
         $threeDSecure->serverTransactionId = !empty($response->id) ? $response->id :
-            (!empty($response->three_ds->server_trans_ref) ? $response->three_ds->server_trans_ref : '');
+            (!empty($response->three_ds->server_trans_ref) ? $response->three_ds->server_trans_ref : null);
         if (!empty($response->three_ds->message_version)) {
             $messageVersion = $response->three_ds->message_version;
             switch (substr($messageVersion, 0, 2)) {
@@ -380,52 +381,71 @@ public static function mapResponseSecure3D($response)
         }
         $threeDSecure->status = $response->status;
         $threeDSecure->directoryServerStartVersion = !empty($response->three_ds->ds_protocol_version_start) ?
-            $response->three_ds->ds_protocol_version_start : '';
+            $response->three_ds->ds_protocol_version_start : null;
         $threeDSecure->directoryServerEndVersion = !empty($response->three_ds->ds_protocol_version_end) ?
-            $response->three_ds->ds_protocol_version_end : '';
+            $response->three_ds->ds_protocol_version_end : null;
         $threeDSecure->acsStartVersion = !empty($response->three_ds->acs_protocol_version_start) ?
-            $response->three_ds->acs_protocol_version_start : '';
+            $response->three_ds->acs_protocol_version_start : null;
         $threeDSecure->acsEndVersion = !empty($response->three_ds->acs_protocol_version_end) ?
-            $response->three_ds->acs_protocol_version_end : '';
+            $response->three_ds->acs_protocol_version_end : null;
         $threeDSecure->enrolled = !empty($response->three_ds->enrolled_status) ?
-            $response->three_ds->enrolled_status : 'NOT_ENROLLED';
-        $threeDSecure->eci = !empty($response->three_ds->eci) ? $response->three_ds->eci : '';
+            $response->three_ds->enrolled_status : null;
+        $threeDSecure->eci = !empty($response->three_ds->eci) ? $response->three_ds->eci : null;
         $threeDSecure->acsInfoIndicator = !empty($response->three_ds->acs_info_indicator) ?
             $response->three_ds->acs_info_indicator : null;
         $threeDSecure->challengeMandated = !empty($response->three_ds->challenge_status) ?
             ($response->three_ds->challenge_status == 'MANDATED') : false;
         $threeDSecure->payerAuthenticationRequest = !empty($response->three_ds->method_data->encoded_method_data) ?
             $response->three_ds->method_data->encoded_method_data : null;
-        $threeDSecure->issuerAcsUrl = !empty($response->three_ds->method_url) ? $response->three_ds->method_url : '';
-        $threeDSecure->challengeValue = !empty($response->three_ds->challenge_value) ?
-            $response->three_ds->challenge_value : '';
+        $threeDSecure->issuerAcsUrl = !empty($response->three_ds->method_url) ? $response->three_ds->method_url : null;
         if (
             !empty($response->three_ds->acs_challenge_request_url) &&
             $threeDSecure->status == Secure3dStatus::CHALLENGE_REQUIRED
         ) {
-            $threeDSecure->issuerAcsUrl = !empty($response->three_ds->acs_challenge_request_url) ?
-                $response->three_ds->acs_challenge_request_url : null;
+            $threeDSecure->issuerAcsUrl = $response->three_ds->acs_challenge_request_url;
             $threeDSecure->payerAuthenticationRequest = !empty($response->three_ds->challenge_value) ?
-                $response->three_ds->challenge_value : '';
+                $response->three_ds->challenge_value : null;
         }
         $threeDSecure->setCurrency($response->currency);
         $threeDSecure->setAmount(StringUtils::toAmount($response->amount));
-        $threeDSecure->authenticationValue = !empty($response->three_ds->authenticationValue) ?
-            $response->three_ds->authenticationValue : '';
+        $threeDSecure->authenticationValue = !empty($response->three_ds->authentication_value) ?
+            $response->three_ds->authentication_value : null;
         $threeDSecure->directoryServerTransactionId = !empty($response->three_ds->ds_trans_ref) ?
-            $response->three_ds->ds_trans_ref : '';
+            $response->three_ds->ds_trans_ref : null;
         $threeDSecure->acsTransactionId = !empty($response->three_ds->acs_trans_ref) ?
-            $response->three_ds->acs_trans_ref : '';
+            $response->three_ds->acs_trans_ref : null;
         $threeDSecure->statusReason = !empty($response->three_ds->status_reason) ?
-            $response->three_ds->status_reason : '';
+            $response->three_ds->status_reason : null;
         $threeDSecure->messageCategory = !empty($response->three_ds->message_category) ?
-            $response->three_ds->message_category : '';
+            $response->three_ds->message_category : null;
         $threeDSecure->messageType = !empty($response->three_ds->message_type) ?
-            $response->three_ds->message_type : '';
+            $response->three_ds->message_type : null;
         $threeDSecure->sessionDataFieldName = !empty($response->three_ds->session_data_field_name) ?
-            $response->three_ds->session_data_field_name : '';
+            $response->three_ds->session_data_field_name : null;
         $threeDSecure->challengeReturnUrl = !empty($response->notifications->challenge_return_url) ?
-            $response->notifications->challenge_return_url : '';
+            $response->notifications->challenge_return_url : null;
+        $threeDSecure->liabilityShift = !empty($response->three_ds->liability_shift) ?
+            $response->three_ds->liability_shift : null;
+        $threeDSecure->authenticationSource = !empty($response->three_ds->authentication_source) ?
+            $response->three_ds->authentication_source : null;
+        $threeDSecure->authenticationType = !empty($response->three_ds->authentication_request_type) ?
+            $response->three_ds->authentication_request_type : null;
+        $threeDSecure->acsInfoIndicator = !empty($response->three_ds->acs_decoupled_response_indicator) ?
+            $response->three_ds->acs_decoupled_response_indicator : null;
+        $threeDSecure->whitelistStatus = !empty($response->three_ds->whitelist_status) ?
+            $response->three_ds->whitelist_status : null;
+        if (!empty($response->three_ds->message_extension)) {
+            foreach ($response->three_ds->message_extension as $messageExtension) {
+                $msgItem = new MessageExtension();
+                $msgItem->criticalityIndicator = !empty($messageExtension->criticality_indicator) ?
+                        $messageExtension->criticality_indicator : null;
+                $msgItem->messageExtensionData = !empty($messageExtension->data) ?
+                    json_encode($messageExtension->data) : null;
+                $msgItem->messageExtensionId = !empty($messageExtension->id) ? $messageExtension->id : null;
+                $msgItem->messageExtensionName = !empty($messageExtension->name) ? $messageExtension->name : null;
+                $threeDSecure->messageExtension[] = $msgItem;
+            }
+        }
 
         $transaction->threeDSecure = $threeDSecure;
 
diff --git a/src/ServiceConfigs/Gateways/GpApiConfig.php b/src/ServiceConfigs/Gateways/GpApiConfig.php
index 439dc614..5f1ddc5b 100644
--- a/src/ServiceConfigs/Gateways/GpApiConfig.php
+++ b/src/ServiceConfigs/Gateways/GpApiConfig.php
@@ -58,6 +58,11 @@ class GpApiConfig extends GatewayConfig
      */
     public $challengeNotificationUrl;
 
+    /**
+     * @var string
+     */
+    public $merchantContactUrl;
+
     /**
      * @var array
      */
diff --git a/test/Integration/Gateways/GpApiConnector/GpApi3DS1Test.php b/test/Integration/Gateways/GpApiConnector/GpApi3DS1Test.php
index 120ac226..0e47976e 100644
--- a/test/Integration/Gateways/GpApiConnector/GpApi3DS1Test.php
+++ b/test/Integration/Gateways/GpApiConnector/GpApi3DS1Test.php
@@ -19,6 +19,7 @@
 use GlobalPayments\Api\Tests\Data\GpApi3DSTestCards;
 use GlobalPayments\Api\Tests\Integration\Gateways\ThreeDSecureAcsClient;
 use GlobalPayments\Api\Utils\GenerationUtils;
+use GlobalPayments\Api\Entities\Enums\Secure3dStatus;
 use PHPUnit\Framework\TestCase;
 
 class GpApi3DS1Test extends TestCase
@@ -59,13 +60,14 @@ public function setup()
     public function setUpConfig()
     {
         $config = new GpApiConfig();
-        $config->appId = 'P3LRVjtGRGxWQQJDE345mSkEh2KfdAyg';
-        $config->appKey = 'ockJr6pv6KFoGiZA';
+        $config->appId = 'oDVjAddrXt3qPJVPqQvrmgqM2MjMoHQS';
+        $config->appKey = 'DHUGdzpjXfTbjZeo';
         $config->environment = Environment::TEST;
         $config->country = 'GB';
         $config->channel = Channels::CardNotPresent;
         $config->challengeNotificationUrl = 'https://ensi808o85za.x.pipedream.net/';
         $config->methodNotificationUrl = 'https://ensi808o85za.x.pipedream.net/';
+        $config->merchantContactUrl = 'https://enp4qhvjseljg.x.pipedream.net/';
 
         return $config;
     }
@@ -128,7 +130,6 @@ public function testCardHolderEnrolled_ChallengeRequired_v1_TokenizedCard()
         $this->assertCheckEnrollmentChallengeV1($secureEcom);
     }
 
-    //TODO - same response from API
     public function testCardHolderEnrolled_ChallengeRequired_v1_AllPreferenceValues()
     {
         $challengeRequestIndicator = new ChallengeRequestIndicator();
@@ -161,26 +162,6 @@ public function testCardHolderEnrolled_ChallengeRequired_v1_StoredCredentials()
         $this->assertCheckEnrollmentChallengeV1($secureEcom);
     }
 
-    public function testCardHolderEnrolled_ChallengeRequired_v1_Refund()
-    {
-        $secureEcom = Secure3dService::checkEnrollment($this->card)
-            ->withCurrency($this->currency)
-            ->withAmount($this->amount)
-            ->withOrderTransactionType(PaymentType::REFUND)
-            ->execute();
-
-        $this->assertCheckEnrollmentChallengeV1($secureEcom);
-
-        $secureEcomSale = Secure3dService::checkEnrollment($this->card)
-            ->withCurrency($this->currency)
-            ->withAmount($this->amount)
-            ->withOrderTransactionType(PaymentType::SALE)
-            ->execute();
-
-        $this->assertCheckEnrollmentChallengeV1($secureEcomSale);
-        $this->assertNotSame($secureEcom, $secureEcomSale);
-    }
-
     public function testCardHolderEnrolled_ChallengeRequired_v1_AllSources()
     {
         $source = array("BROWSER", "MERCHANT_INITIATED", "MOBILE_SDK", "STORED_RECURRING");
@@ -271,11 +252,7 @@ public function testCardHolderEnrolled_PostResult()
             ->withPayerAuthenticationResponse($authResponse->getAuthResponse())
             ->execute();
 
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
-        $this->assertTrue($secureEcom->challengeMandated);
-        $this->assertNotNull($secureEcom->issuerAcsUrl);
-        $this->assertNotNull($secureEcom->payerAuthenticationRequest);
-        $this->assertNotNull($secureEcom->challengeValue);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
         $this->assertEquals('5', $secureEcom->eci);
         $this->assertEquals('1.0.0', $secureEcom->messageVersion);
     }
@@ -304,11 +281,7 @@ public function testCardHolderEnrolled_PostResult_WithIdempotencyKey()
             ->withIdempotencyKey($idempotencyKey)
             ->execute();
 
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
-        $this->assertTrue($secureEcom->challengeMandated);
-        $this->assertNotNull($secureEcom->issuerAcsUrl);
-        $this->assertNotNull($secureEcom->payerAuthenticationRequest);
-        $this->assertNotNull($secureEcom->challengeValue);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
         $this->assertEquals('5', $secureEcom->eci);
         $this->assertEquals('1.0.0', $secureEcom->messageVersion);
 
@@ -397,13 +370,11 @@ public function testCardHolderNotEnrolled_PostResult()
     private function assertCheckEnrollmentChallengeV1(ThreeDSecure $secureEcom)
     {
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::ONE, $secureEcom->getVersion());
-        $this->assertEquals('CHALLENGE_REQUIRED', $secureEcom->status);
-        $this->assertTrue($secureEcom->challengeMandated);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $secureEcom->status);
         $this->assertNotNull($secureEcom->issuerAcsUrl);
         $this->assertNotNull($secureEcom->payerAuthenticationRequest);
-        $this->assertNotNull($secureEcom->challengeValue);
         $this->assertEmpty($secureEcom->eci);
         $this->assertEquals("1.0.0", $secureEcom->messageVersion);
     }
@@ -412,11 +383,10 @@ private function assertCheckEnrollmentCardNotEnrolledV1(ThreeDSecure $secureEcom
     {
         $this->assertNotNull($secureEcom);
         $this->assertEquals(Secure3dVersion::ONE, $secureEcom->getVersion());
-        $this->assertEquals('NOT_ENROLLED', $secureEcom->enrolled);
-        $this->assertEquals('NOT_ENROLLED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::NOT_ENROLLED, $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::NOT_ENROLLED, $secureEcom->status);
         $this->assertEquals('6', $secureEcom->eci);
         $this->assertEquals('1.0.0', $secureEcom->messageVersion);
-        $this->assertFalse($secureEcom->challengeMandated);
     }
 
 }
\ No newline at end of file
diff --git a/test/Integration/Gateways/GpApiConnector/GpApi3DS2Test.php b/test/Integration/Gateways/GpApiConnector/GpApi3DS2Test.php
index 753f4552..400a7c9a 100644
--- a/test/Integration/Gateways/GpApiConnector/GpApi3DS2Test.php
+++ b/test/Integration/Gateways/GpApiConnector/GpApi3DS2Test.php
@@ -10,7 +10,6 @@
 use GlobalPayments\Api\Entities\Enums\DeliveryTimeFrame;
 use GlobalPayments\Api\Entities\Enums\Environment;
 use GlobalPayments\Api\Entities\Enums\GpApi\Channels;
-use GlobalPayments\Api\Entities\Enums\GpApi\PaymentType;
 use GlobalPayments\Api\Entities\Enums\MethodUrlCompletion;
 use GlobalPayments\Api\Entities\Enums\Secure3dVersion;
 use GlobalPayments\Api\Entities\Enums\ShippingMethod;
@@ -29,6 +28,7 @@
 use GlobalPayments\Api\Tests\Data\GpApi3DSTestCards;
 use GlobalPayments\Api\Tests\Integration\Gateways\ThreeDSecureAcsClient;
 use GlobalPayments\Api\Utils\GenerationUtils;
+use GlobalPayments\Api\Entities\Enums\Secure3dStatus;
 use PHPUnit\Framework\TestCase;
 
 class GpApi3DS2Test extends TestCase
@@ -101,13 +101,14 @@ public function setup()
     public function setUpConfig()
     {
         $config = new GpApiConfig();
-        $config->appId = 'P3LRVjtGRGxWQQJDE345mSkEh2KfdAyg';
-        $config->appKey = 'ockJr6pv6KFoGiZA';
+        $config->appId = 'oDVjAddrXt3qPJVPqQvrmgqM2MjMoHQS';
+        $config->appKey = 'DHUGdzpjXfTbjZeo';
         $config->environment = Environment::TEST;
         $config->country = 'GB';
         $config->channel = Channels::CardNotPresent;
         $config->challengeNotificationUrl = 'https://ensi808o85za.x.pipedream.net/';
         $config->methodNotificationUrl = 'https://ensi808o85za.x.pipedream.net/';
+        $config->merchantContactUrl = 'https://enp4qhvjseljg.x.pipedream.net/';
 
         return $config;
     }
@@ -140,13 +141,16 @@ public function testFullCycle_v2_Frictionless()
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $initAuth->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $initAuth->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->execute();
-        $this->card->threeDSecure = $initAuth;
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
+
+        $this->card->threeDSecure = $secureEcom;
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -177,13 +181,15 @@ public function testFullCycle_v2_FrictionlessFailed()
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('NOT_AUTHENTICATED', $initAuth->status);
+        $this->assertEquals(Secure3dStatus::NOT_AUTHENTICATED, $initAuth->status);
+        $this->assertNotEquals('YES', $initAuth->liabilityShift);
 
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->execute();
-        $this->card->threeDSecure = $initAuth;
-        $this->assertEquals('NOT_AUTHENTICATED', $secureEcom->status);
+
+        $this->assertEquals(Secure3dStatus::NOT_AUTHENTICATED, $secureEcom->status);
+        $this->card->threeDSecure = $secureEcom;
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -208,7 +214,8 @@ public function testFullCycle_v2_WithCardTokenization()
             ->execute();
 
         $this->assertCheckEnrollment3DSV2($secureEcom);
-        $this->assertNotEmpty($secureEcom->issuerAcsUrl);
+        $this->assertNotNull($secureEcom->issuerAcsUrl);
+        $this->assertNotNull($secureEcom->payerAuthenticationRequest);
 
         $initAuth = Secure3dService::initiateAuthentication($tokenizedCard, $secureEcom)
             ->withAmount($this->amount)
@@ -221,13 +228,15 @@ public function testFullCycle_v2_WithCardTokenization()
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->execute();
+
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
         $tokenizedCard->threeDSecure = $secureEcom;
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
 
         $response = $tokenizedCard->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -248,7 +257,6 @@ public function testFullCycle_CardHolderEnrolled_ChallengeRequired_v2()
             ->execute();
 
         $this->assertCheckEnrollment3DSV2($secureEcom);
-        $this->assertNotEmpty($secureEcom->issuerAcsUrl);
 
         $initAuth = Secure3dService::initiateAuthentication($this->card, $secureEcom)
             ->withAmount($this->amount)
@@ -261,10 +269,9 @@ public function testFullCycle_CardHolderEnrolled_ChallengeRequired_v2()
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('CHALLENGE_REQUIRED', $initAuth->status);
-        $this->assertTrue($initAuth->challengeMandated);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $initAuth->status);
         $this->assertNotNull($initAuth->issuerAcsUrl);
-        $this->assertNotNull($initAuth->challengeValue);
+        $this->assertNotNull($initAuth->payerAuthenticationRequest);
 
         $authClient = new ThreeDSecureAcsClient($secureEcom->issuerAcsUrl);
         $authClient->setGatewayProvider($this->gatewayProvider);
@@ -275,10 +282,9 @@ public function testFullCycle_CardHolderEnrolled_ChallengeRequired_v2()
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($authResponse->getMerchantData())
             ->execute();
-        $this->card->threeDSecure = $secureEcom;
-
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
 
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
+        $this->card->threeDSecure = $secureEcom;
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
         $this->assertEquals('SUCCESS', $response->responseCode);
@@ -359,7 +365,6 @@ public function testCardHolderEnrolled_ChallengeRequired_v2_AllPreferenceValues(
         }
     }
 
-    //TODO - storedCredential object not mapped on request body
     public function testCardHolderEnrolled_ChallengeRequired_v2_StoredCredentials()
     {
         $storeCredentials = new StoredCredential();
@@ -377,26 +382,6 @@ public function testCardHolderEnrolled_ChallengeRequired_v2_StoredCredentials()
         $this->assertCheckEnrollment3DSV2($secureEcom);
     }
 
-    public function testCardHolderEnrolled_ChallengeRequired_v2_Refund()
-    {
-        $secureEcom = Secure3dService::checkEnrollment($this->card)
-            ->withCurrency($this->currency)
-            ->withAmount($this->amount)
-            ->withOrderTransactionType(PaymentType::REFUND)
-            ->execute();
-
-        $this->assertCheckEnrollment3DSV2($secureEcom);
-
-        $secureEcomSale = Secure3dService::checkEnrollment($this->card)
-            ->withCurrency($this->currency)
-            ->withAmount($this->amount)
-            ->withOrderTransactionType(PaymentType::SALE)
-            ->execute();
-
-        $this->assertCheckEnrollment3DSV2($secureEcomSale);
-        $this->assertNotSame($secureEcom, $secureEcomSale);
-    }
-
     public function testCardHolderEnrolled_ChallengeRequired_v2_AllSources()
     {
         $source = array("BROWSER", "MERCHANT_INITIATED", "MOBILE_SDK", "STORED_RECURRING");
@@ -529,28 +514,6 @@ public function testCardHolderEnrolled_Frictionless_v2_StoredCredentials()
         $this->assertCheckEnrollment3DSV2($secureEcom);
     }
 
-    public function testCardHolderEnrolled_Frictionless_v2_Refund()
-    {
-        $this->card->number = GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_V2_2;
-
-        $secureEcom = Secure3dService::checkEnrollment($this->card)
-            ->withCurrency($this->currency)
-            ->withAmount($this->amount)
-            ->withOrderTransactionType(PaymentType::REFUND)
-            ->execute();
-
-        $this->assertCheckEnrollment3DSV2($secureEcom);
-
-        $secureEcomSale = Secure3dService::checkEnrollment($this->card)
-            ->withCurrency($this->currency)
-            ->withAmount($this->amount)
-            ->withOrderTransactionType(PaymentType::SALE)
-            ->execute();
-
-        $this->assertCheckEnrollment3DSV2($secureEcomSale);
-        $this->assertNotSame($secureEcom, $secureEcomSale);
-    }
-
     public function testCardHolderEnrolled_Frictionless_v2_AllSources()
     {
         $this->card->number = GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_V2_2;
@@ -590,7 +553,7 @@ public function testCardHolderChallengeRequired_PostResult()
             ->withBrowserData($this->browserData)
             ->execute();
         $this->assertNotNull($initAuth);
-        $this->assertEquals('CHALLENGE_REQUIRED', $initAuth->status);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $initAuth->status);
 
         $authClient = new ThreeDSecureAcsClient($secureEcom->issuerAcsUrl);
         $authClient->setGatewayProvider($this->gatewayProvider);
@@ -602,14 +565,12 @@ public function testCardHolderChallengeRequired_PostResult()
             ->withServerTransactionId($authResponse->getMerchantData())
             ->execute();
 
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
-        $this->assertNotNull($secureEcom->challengeValue);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
         $this->assertEquals('05', $secureEcom->eci);
         $this->assertEquals('2.2.0', $secureEcom->messageVersion);
         $this->assertNotNull($secureEcom->acsTransactionId);
         $this->assertNotNull($secureEcom->serverTransactionId);
         $this->assertNotNull($secureEcom->directoryServerTransactionId);
-        $this->assertNotNull($secureEcom->challengeValue);
     }
 
     public function testCardHolderChallengeRequired_PostResult_WithIdempotencyKey()
@@ -633,7 +594,7 @@ public function testCardHolderChallengeRequired_PostResult_WithIdempotencyKey()
             ->withBrowserData($this->browserData)
             ->execute();
         $this->assertNotNull($initAuth);
-        $this->assertEquals('CHALLENGE_REQUIRED', $initAuth->status);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $initAuth->status);
 
         $authClient = new ThreeDSecureAcsClient($secureEcom->issuerAcsUrl);
         $authClient->setGatewayProvider($this->gatewayProvider);
@@ -646,14 +607,12 @@ public function testCardHolderChallengeRequired_PostResult_WithIdempotencyKey()
             ->withIdempotencyKey($idempotencyKey)
             ->execute();
 
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
-        $this->assertNotNull($secureEcom->challengeValue);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
         $this->assertEquals('05', $secureEcom->eci);
         $this->assertEquals('2.2.0', $secureEcom->messageVersion);
         $this->assertNotNull($secureEcom->acsTransactionId);
         $this->assertNotNull($secureEcom->serverTransactionId);
         $this->assertNotNull($secureEcom->directoryServerTransactionId);
-        $this->assertNotNull($secureEcom->challengeValue);
 
         $exceptionCaught = false;
         try {
@@ -695,19 +654,19 @@ public function testCardHolderFrictionless_PostResult()
             ->withBrowserData($this->browserData)
             ->execute();
         $this->assertNotNull($initAuth);
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $initAuth->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $initAuth->status);
 
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->execute();
 
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
         $this->assertEquals('05', $secureEcom->eci);
         $this->assertEquals('2.2.0', $secureEcom->messageVersion);
         $this->assertNotNull($secureEcom->acsTransactionId);
         $this->assertNotNull($secureEcom->serverTransactionId);
         $this->assertNotNull($secureEcom->directoryServerTransactionId);
-        $this->assertEmpty($secureEcom->challengeValue);
+        $this->assertEmpty($secureEcom->payerAuthenticationRequest);
     }
 
     public function testCardHolderFrictionless_PostResult_WithIdempotencyKey()
@@ -732,20 +691,20 @@ public function testCardHolderFrictionless_PostResult_WithIdempotencyKey()
             ->withBrowserData($this->browserData)
             ->execute();
         $this->assertNotNull($initAuth);
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $initAuth->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $initAuth->status);
 
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->withIdempotencyKey($idempotencyKey)
             ->execute();
 
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
         $this->assertEquals('05', $secureEcom->eci);
         $this->assertEquals('2.2.0', $secureEcom->messageVersion);
         $this->assertNotNull($secureEcom->acsTransactionId);
         $this->assertNotNull($secureEcom->serverTransactionId);
         $this->assertNotNull($secureEcom->directoryServerTransactionId);
-        $this->assertEmpty($secureEcom->challengeValue);
+        $this->assertEmpty($secureEcom->payerAuthenticationRequest);
 
         $exceptionCaught = false;
         try {
@@ -1087,9 +1046,9 @@ public function testCardHolderEnrolled_Frictionless_v2_Initiate()
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $initAuth->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $initAuth->status);
         $this->assertNotNull($initAuth->issuerAcsUrl);
-        $this->assertNotNull($initAuth->challengeValue);
+        $this->assertNotNull($initAuth->payerAuthenticationRequest);
         $this->assertNotNull($initAuth->acsTransactionId);
         $this->assertEquals("05", $initAuth->eci);
         $this->assertEquals("2.2.0", $initAuth->messageVersion);
@@ -1149,22 +1108,20 @@ public function testCardHolderEnrolled_ChallengeRequired_v2_Initiate_NonExistent
     private function assertCheckEnrollment3DSV2(ThreeDSecure $secureEcom)
     {
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::TWO, $secureEcom->getVersion());
-        $this->assertEquals('AVAILABLE', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::AVAILABLE, $secureEcom->status);
         $this->assertNotNull($secureEcom->issuerAcsUrl);
         $this->assertNotNull($secureEcom->payerAuthenticationRequest);
-        $this->assertNotNull($secureEcom->challengeValue);
         $this->assertEmpty($secureEcom->eci);
     }
 
     private function assertInitiate3DSV2(ThreeDSecure $initAuth)
     {
         $this->assertNotNull($initAuth);
-        $this->assertEquals('CHALLENGE_REQUIRED', $initAuth->status);
-        $this->assertTrue($initAuth->challengeMandated);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $initAuth->status);
         $this->assertNotNull($initAuth->issuerAcsUrl);
-        $this->assertNotNull($initAuth->challengeValue);
+        $this->assertNotNull($initAuth->payerAuthenticationRequest);
         $this->assertNotNull($initAuth->acsTransactionId);
         $this->assertEmpty($initAuth->eci);
         $this->assertEquals("2.2.0", $initAuth->messageVersion);
diff --git a/test/Integration/Gateways/GpApiConnector/GpApi3DSecureTest.php b/test/Integration/Gateways/GpApiConnector/GpApi3DSecureTest.php
index fcd1c4a2..f25f871b 100644
--- a/test/Integration/Gateways/GpApiConnector/GpApi3DSecureTest.php
+++ b/test/Integration/Gateways/GpApiConnector/GpApi3DSecureTest.php
@@ -9,6 +9,7 @@
 use GlobalPayments\Api\Entities\Enums\Environment;
 use GlobalPayments\Api\Entities\Enums\GpApi\Channels;
 use GlobalPayments\Api\Entities\Enums\MethodUrlCompletion;
+use GlobalPayments\Api\Entities\Enums\OrderTransactionType;
 use GlobalPayments\Api\Entities\Enums\Secure3dVersion;
 use GlobalPayments\Api\Entities\Enums\TransactionStatus;
 use GlobalPayments\Api\Entities\Exceptions\ApiException;
@@ -20,6 +21,7 @@
 use GlobalPayments\Api\Tests\Data\GpApi3DSTestCards;
 use GlobalPayments\Api\Tests\Integration\Gateways\ThreeDSecureAcsClient;
 use GlobalPayments\Api\Utils\GenerationUtils;
+use GlobalPayments\Api\Entities\Enums\Secure3dStatus;
 use PHPUnit\Framework\TestCase;
 
 class GpApi3DSecureTest extends TestCase
@@ -91,13 +93,14 @@ public function setup()
     public function setUpConfig()
     {
         $config = new GpApiConfig();
-        $config->appId = 'P3LRVjtGRGxWQQJDE345mSkEh2KfdAyg';
-        $config->appKey = 'ockJr6pv6KFoGiZA';
+        $config->appId = 'oDVjAddrXt3qPJVPqQvrmgqM2MjMoHQS';
+        $config->appKey = 'DHUGdzpjXfTbjZeo';
         $config->environment = Environment::TEST;
         $config->country = 'GB';
         $config->channel = Channels::CardNotPresent;
         $config->challengeNotificationUrl = 'https://ensi808o85za.x.pipedream.net/';
         $config->methodNotificationUrl = 'https://ensi808o85za.x.pipedream.net/';
+        $config->merchantContactUrl = 'https://enp4qhvjseljg.x.pipedream.net/';
 
         return $config;
     }
@@ -125,7 +128,8 @@ public function testCardHolderEnrolled_ChallengeRequired_AuthenticationSuccessfu
             ->withPayerAuthenticationResponse($authResponse->getAuthResponse())
             ->execute();
         $this->card->threeDSecure = $secureEcom;
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -164,6 +168,7 @@ public function testCardHolderEnrolled_ChallengeRequired_AuthenticationSuccessfu
             ->execute();
         $tokenizedCard->threeDSecure = $secureEcom;
         $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $response = $tokenizedCard->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -201,6 +206,8 @@ public function testCardHolderEnrolled_ChallengeRequired_AuthenticationFailed_v1
             ->execute();
         $this->card->threeDSecure = $secureEcom;
         $this->assertEquals($status, $secureEcom->status);
+        $liabilityShift = $status == Secure3dStatus::SUCCESS_ATTEMPT_MADE ? 'YES' : 'NO';
+        $this->assertEquals($liabilityShift, $secureEcom->liabilityShift);
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -279,9 +286,9 @@ public function testFrictionlessFullCycle_v2($cardNumber, $status)
             ->execute();
 
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::TWO, $secureEcom->getVersion());
-        $this->assertEquals('AVAILABLE', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::AVAILABLE, $secureEcom->status);
 
         $initAuth = Secure3dService::initiateAuthentication($this->card, $secureEcom)
             ->withAmount($this->amount)
@@ -290,6 +297,7 @@ public function testFrictionlessFullCycle_v2($cardNumber, $status)
             ->withMethodUrlCompletion(MethodUrlCompletion::YES)
             ->withOrderCreateDate(date('Y-m-d H:i:s'))
             ->withAddress($this->shippingAddress, AddressType::SHIPPING)
+            ->withOrderTransactionType(OrderTransactionType::GOODS_SERVICE_PURCHASE)
             ->withBrowserData($this->browserData)
             ->execute();
         $this->assertNotNull($initAuth);
@@ -298,8 +306,10 @@ public function testFrictionlessFullCycle_v2($cardNumber, $status)
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->execute();
-        $this->card->threeDSecure = $initAuth;
+
+        $this->card->threeDSecure = $secureEcom;
         $this->assertEquals($status, $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -325,9 +335,9 @@ public function testFrictionlessFullCycle_v2_Failed($cardNumber, $status)
             ->execute();
 
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::TWO, $secureEcom->getVersion());
-        $this->assertEquals('AVAILABLE', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::AVAILABLE, $secureEcom->status);
 
         $initAuth = Secure3dService::initiateAuthentication($this->card, $secureEcom)
             ->withAmount($this->amount)
@@ -344,8 +354,13 @@ public function testFrictionlessFullCycle_v2_Failed($cardNumber, $status)
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->execute();
-        $this->card->threeDSecure = $initAuth;
+
+        $liabilityShift = ($status == Secure3dStatus::SUCCESS_ATTEMPT_MADE ? 'YES' : 'NO');
         $this->assertEquals($status, $secureEcom->status);
+        $this->assertEquals($liabilityShift, $secureEcom->liabilityShift);
+
+        $this->card->threeDSecure = $secureEcom;
+
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -371,9 +386,9 @@ public function testCardHolderEnrolled_ChallengeRequired_v2($cardNumber, $status
             ->execute();
 
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::TWO, $secureEcom->getVersion());
-        $this->assertEquals('AVAILABLE', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::AVAILABLE, $secureEcom->status);
 
         $initAuth = Secure3dService::initiateAuthentication($this->card, $secureEcom)
             ->withAmount($this->amount)
@@ -386,10 +401,9 @@ public function testCardHolderEnrolled_ChallengeRequired_v2($cardNumber, $status
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('CHALLENGE_REQUIRED', $initAuth->status);
-        $this->assertTrue($initAuth->challengeMandated);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $initAuth->status);
         $this->assertNotNull($initAuth->issuerAcsUrl);
-        $this->assertNotNull($initAuth->challengeValue);
+        $this->assertNotNull($initAuth->payerAuthenticationRequest);
 
         $authClient = new ThreeDSecureAcsClient($secureEcom->issuerAcsUrl);
         $authClient->setGatewayProvider($this->gatewayProvider);
@@ -403,6 +417,7 @@ public function testCardHolderEnrolled_ChallengeRequired_v2($cardNumber, $status
         $this->card->threeDSecure = $secureEcom;
 
         $this->assertEquals($status, $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -425,9 +440,9 @@ public function testChallengeRequired_GetResultFailed_v2()
             ->execute();
 
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::TWO, $secureEcom->getVersion());
-        $this->assertEquals('AVAILABLE', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::AVAILABLE, $secureEcom->status);
 
         $initAuth = Secure3dService::initiateAuthentication($this->card, $secureEcom)
             ->withAmount($this->amount)
@@ -440,16 +455,16 @@ public function testChallengeRequired_GetResultFailed_v2()
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('CHALLENGE_REQUIRED', $initAuth->status);
-        $this->assertTrue($initAuth->challengeMandated);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $initAuth->status);
         $this->assertNotNull($initAuth->issuerAcsUrl);
-        $this->assertNotNull($initAuth->challengeValue);
+        $this->assertNotNull($initAuth->payerAuthenticationRequest);
 
         $secureEcom = Secure3dService::getAuthenticationData()
                 ->withServerTransactionId($initAuth->serverTransactionId)
                 ->execute();
-        $this->assertEquals('NOT_ENROLLED', $secureEcom->enrolled);
-        $this->assertEquals('CHALLENGE_REQUIRED', $secureEcom->status);
+
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $secureEcom->status);
     }
 
     /**
@@ -474,9 +489,9 @@ public function testFullCycle_WithCardTokenization_v2()
             ->execute();
 
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::TWO, $secureEcom->getVersion());
-        $this->assertEquals('AVAILABLE', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::AVAILABLE, $secureEcom->status);
 
         $initAuth = Secure3dService::initiateAuthentication($tokenizedCard, $secureEcom)
             ->withAmount($this->amount)
@@ -489,14 +504,16 @@ public function testFullCycle_WithCardTokenization_v2()
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->execute();
-        $tokenizedCard->threeDSecure = $secureEcom;
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
+        $tokenizedCard->threeDSecure = $secureEcom;
         $response = $tokenizedCard->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
         $this->assertEquals('SUCCESS', $response->responseCode);
@@ -518,9 +535,9 @@ public function testFrictionlessFullCycle_v2_DifferentAmount()
             ->execute();
 
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::TWO, $secureEcom->getVersion());
-        $this->assertEquals('AVAILABLE', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::AVAILABLE, $secureEcom->status);
         $this->assertEquals($this->amount, $secureEcom->getAmount());
 
         $initAuth = Secure3dService::initiateAuthentication($this->card, $secureEcom)
@@ -533,14 +550,16 @@ public function testFrictionlessFullCycle_v2_DifferentAmount()
             ->withBrowserData($this->browserData)
             ->execute();
         $this->assertNotNull($initAuth);
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $initAuth->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $initAuth->status);
         $this->assertEquals($this->amount, $initAuth->getAmount());
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $secureEcom = Secure3dService::getAuthenticationData()
             ->withServerTransactionId($secureEcom->serverTransactionId)
             ->execute();
         $this->card->threeDSecure = $initAuth;
-        $this->assertEquals('SUCCESS_AUTHENTICATED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
         $this->assertEquals($this->amount, $secureEcom->getAmount());
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
@@ -559,9 +578,9 @@ public function testCardHolderEnrolled_ChallengeRequired_v2_DuplicateAcsRequest(
             ->execute();
 
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::TWO, $secureEcom->getVersion());
-        $this->assertEquals('AVAILABLE', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::AVAILABLE, $secureEcom->status);
 
         $initAuth = Secure3dService::initiateAuthentication($this->card, $secureEcom)
             ->withAmount($this->amount)
@@ -574,10 +593,9 @@ public function testCardHolderEnrolled_ChallengeRequired_v2_DuplicateAcsRequest(
             ->execute();
 
         $this->assertNotNull($initAuth);
-        $this->assertEquals('CHALLENGE_REQUIRED', $initAuth->status);
-        $this->assertTrue($initAuth->challengeMandated);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $initAuth->status);
         $this->assertNotNull($initAuth->issuerAcsUrl);
-        $this->assertNotNull($initAuth->challengeValue);
+        $this->assertNotNull($initAuth->payerAuthenticationRequest);
 
         $authClient = new ThreeDSecureAcsClient($secureEcom->issuerAcsUrl);
         $authClient->setGatewayProvider($this->gatewayProvider);
@@ -596,7 +614,8 @@ public function testCardHolderEnrolled_ChallengeRequired_v2_DuplicateAcsRequest(
             ->execute();
         $this->card->threeDSecure = $secureEcom;
 
-        $this->assertEquals("SUCCESS_AUTHENTICATED", $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::SUCCESS_AUTHENTICATED, $secureEcom->status);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
 
         $response = $this->card->charge($this->amount)->withCurrency($this->currency)->execute();
         $this->assertNotNull($response);
@@ -607,54 +626,52 @@ public function testCardHolderEnrolled_ChallengeRequired_v2_DuplicateAcsRequest(
     public function ChallengeSuccessful3DSV2CardTests()
     {
         return [
-            'Challenge v2.1' => [GpApi3DSTestCards::CARD_CHALLENGE_REQUIRED_V2_1, 'SUCCESS_AUTHENTICATED'],
-            'Challenge v2.2' => [GpApi3DSTestCards::CARD_CHALLENGE_REQUIRED_V2_2, 'SUCCESS_AUTHENTICATED']
+            'Challenge v2.1' => [GpApi3DSTestCards::CARD_CHALLENGE_REQUIRED_V2_1, Secure3dStatus::SUCCESS_AUTHENTICATED],
+            'Challenge v2.2' => [GpApi3DSTestCards::CARD_CHALLENGE_REQUIRED_V2_2, Secure3dStatus::SUCCESS_AUTHENTICATED]
         ];
     }
 
     public function ChallengeRequiredFailed3DSV1CardTests()
     {
         return [
-            'Acs Client result code 5' => [5, 'FAILED'],
-            'Acs Client result code 7' => [7, 'SUCCESS_ATTEMPT_MADE'],
-            'Acs Client result code 9' => [9, 'NOT_AUTHENTICATED']
+            'Acs Client result code 5' => [5, Secure3dStatus::FAILED],
+            'Acs Client result code 7' => [7, Secure3dStatus::SUCCESS_ATTEMPT_MADE],
+            'Acs Client result code 9' => [9, Secure3dStatus::NOT_AUTHENTICATED]
         ];
     }
 
     public function FrictionlessSuccessful3DSV2CardTests()
     {
         return [
-            'Frictionless v2.1' => [GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_V2_1, 'SUCCESS_AUTHENTICATED'],
-            'Frictionless no method url v2.1' => [GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_NO_METHOD_URL_V2_1, 'SUCCESS_AUTHENTICATED'],
-            'Frictionless v2.2' => [GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_V2_2, 'SUCCESS_AUTHENTICATED'],
-            'Frictionless no method url v2.2' => [GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_NO_METHOD_URL_V2_2, 'SUCCESS_AUTHENTICATED']
+            'Frictionless v2.1' => [GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_V2_1, Secure3dStatus::SUCCESS_AUTHENTICATED],
+            'Frictionless no method url v2.1' => [GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_NO_METHOD_URL_V2_1, Secure3dStatus::SUCCESS_AUTHENTICATED],
+            'Frictionless v2.2' => [GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_V2_2, Secure3dStatus::SUCCESS_AUTHENTICATED],
+            'Frictionless no method url v2.2' => [GpApi3DSTestCards::CARD_AUTH_SUCCESSFUL_NO_METHOD_URL_V2_2, Secure3dStatus::SUCCESS_AUTHENTICATED]
         ];
     }
 
     public function FrictionlessFailed3DSV2CardTests()
     {
         return [
-            'Frictionless failed 1' => [GpApi3DSTestCards::CARD_AUTH_ATTEMPTED_BUT_NOT_SUCCESSFUL_V2_1, 'SUCCESS_ATTEMPT_MADE'],
-            'Frictionless failed 2' => [GpApi3DSTestCards::CARD_AUTH_FAILED_V2_1, 'NOT_AUTHENTICATED'],
-            'Frictionless failed 3' => [GpApi3DSTestCards::CARD_AUTH_ISSUER_REJECTED_V2_1, 'FAILED'],
-            'Frictionless failed 4' => [GpApi3DSTestCards::CARD_AUTH_COULD_NOT_BE_PREFORMED_V2_1, 'FAILED'],
-            'Frictionless failed 5' => [GpApi3DSTestCards::CARD_AUTH_ATTEMPTED_BUT_NOT_SUCCESSFUL_V2_2, 'SUCCESS_ATTEMPT_MADE'],
-            'Frictionless failed 6' => [GpApi3DSTestCards::CARD_AUTH_FAILED_V2_2, 'NOT_AUTHENTICATED'],
-            'Frictionless failed 7' => [GpApi3DSTestCards::CARD_AUTH_ISSUER_REJECTED_V2_2, 'FAILED'],
-            'Frictionless failed 8' => [GpApi3DSTestCards::CARD_AUTH_COULD_NOT_BE_PREFORMED_V2_2, 'FAILED']
+            'Frictionless failed 1' => [GpApi3DSTestCards::CARD_AUTH_ATTEMPTED_BUT_NOT_SUCCESSFUL_V2_1, Secure3dStatus::SUCCESS_ATTEMPT_MADE],
+            'Frictionless failed 2' => [GpApi3DSTestCards::CARD_AUTH_FAILED_V2_1, Secure3dStatus::NOT_AUTHENTICATED],
+            'Frictionless failed 3' => [GpApi3DSTestCards::CARD_AUTH_ISSUER_REJECTED_V2_1, Secure3dStatus::FAILED],
+            'Frictionless failed 4' => [GpApi3DSTestCards::CARD_AUTH_COULD_NOT_BE_PREFORMED_V2_1, Secure3dStatus::FAILED],
+            'Frictionless failed 5' => [GpApi3DSTestCards::CARD_AUTH_ATTEMPTED_BUT_NOT_SUCCESSFUL_V2_2, Secure3dStatus::SUCCESS_ATTEMPT_MADE],
+            'Frictionless failed 6' => [GpApi3DSTestCards::CARD_AUTH_FAILED_V2_2, Secure3dStatus::NOT_AUTHENTICATED],
+            'Frictionless failed 7' => [GpApi3DSTestCards::CARD_AUTH_ISSUER_REJECTED_V2_2, Secure3dStatus::FAILED],
+            'Frictionless failed 8' => [GpApi3DSTestCards::CARD_AUTH_COULD_NOT_BE_PREFORMED_V2_2, Secure3dStatus::FAILED]
         ];
     }
 
     private function assertCheckEnrollmentChallengeV1(ThreeDSecure $secureEcom)
     {
         $this->assertNotNull($secureEcom);
-        $this->assertEquals('ENROLLED', $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::ENROLLED, $secureEcom->enrolled);
         $this->assertEquals(Secure3dVersion::ONE, $secureEcom->getVersion());
-        $this->assertEquals('CHALLENGE_REQUIRED', $secureEcom->status);
-        $this->assertTrue($secureEcom->challengeMandated);
+        $this->assertEquals(Secure3dStatus::CHALLENGE_REQUIRED, $secureEcom->status);
         $this->assertNotNull($secureEcom->issuerAcsUrl);
         $this->assertNotNull($secureEcom->payerAuthenticationRequest);
-        $this->assertNotNull($secureEcom->challengeValue);
         $this->assertEmpty($secureEcom->eci);
         $this->assertEquals("1.0.0", $secureEcom->messageVersion);
     }
@@ -663,11 +680,11 @@ private function assertCheckEnrollmentCardNotEnrolledV1(ThreeDSecure $secureEcom
     {
         $this->assertNotNull($secureEcom);
         $this->assertEquals(Secure3dVersion::ONE, $secureEcom->getVersion());
-        $this->assertEquals('NOT_ENROLLED', $secureEcom->enrolled);
-        $this->assertEquals('NOT_ENROLLED', $secureEcom->status);
+        $this->assertEquals(Secure3dStatus::NOT_ENROLLED, $secureEcom->enrolled);
+        $this->assertEquals(Secure3dStatus::NOT_ENROLLED, $secureEcom->status);
         $this->assertEquals('6', $secureEcom->eci);
         $this->assertEquals('1.0.0', $secureEcom->messageVersion);
-        $this->assertFalse($secureEcom->challengeMandated);
+        $this->assertEquals('YES', $secureEcom->liabilityShift);
     }
 
 }
\ No newline at end of file