diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd485ff..a97d714 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,11 @@
 
 # Changelog
 
-## Latest Version - v12.0.5 (06/07/24)
+## Latest Version - v12.0.5 (06/18/24)
+### Enhancements:
+- [GP-ECOM] Add Multi-Capture
+
+## v12.0.5 (06/07/24)
 ### Bug Fixes:
 - [PAX] Corrected "partial auth" response handling
 - [GP-ECOM] Add HPP additional field "HPP_REMOVE_SHIPPING"
diff --git a/metadata.xml b/metadata.xml
index 59f1863..6948c85 100644
--- a/metadata.xml
+++ b/metadata.xml
@@ -1,3 +1,3 @@
 <xml>
-  <releaseNumber>12.0.5</releaseNumber>
+  <releaseNumber>12.0.6</releaseNumber>
 </xml>
\ No newline at end of file
diff --git a/src/Builders/AuthorizationBuilder.php b/src/Builders/AuthorizationBuilder.php
index cad2dd6..762c60c 100644
--- a/src/Builders/AuthorizationBuilder.php
+++ b/src/Builders/AuthorizationBuilder.php
@@ -1360,9 +1360,12 @@ public function withLastRegisteredDate($date)
      *
      * @return $this
      */
-    public function withMultiCapture($multiCapture = false)
+    public function withMultiCapture(bool $multiCapture = false, int $paymentCount = 1) : AuthorizationBuilder
     {
         $this->multiCapture = $multiCapture;
+        if ($multiCapture === true) {
+            $this->multiCapturePaymentCount = $paymentCount;
+        }
         return $this;
     }
 
diff --git a/src/Builders/RequestBuilder/GpEcom/GpEcomAuthorizationRequestBuilder.php b/src/Builders/RequestBuilder/GpEcom/GpEcomAuthorizationRequestBuilder.php
index ebc30b3..5b43251 100644
--- a/src/Builders/RequestBuilder/GpEcom/GpEcomAuthorizationRequestBuilder.php
+++ b/src/Builders/RequestBuilder/GpEcom/GpEcomAuthorizationRequestBuilder.php
@@ -88,11 +88,17 @@ public function buildRequest(BaseBuilder $builder, $config)
 
         // This needs to be figured out based on txn type and set to 0, 1 or MULTI
         if ($builder->transactionType === TransactionType::SALE || $builder->transactionType == TransactionType::AUTH) {
-            $autoSettle = $builder->transactionType === TransactionType::SALE ? "1" : "0";
+            $autoSettle = $builder->transactionType === TransactionType::SALE ? "1" : ($builder->multiCapture === true ? "MULTI" :"0");
             $element = $xml->createElement("autosettle");
             $element->setAttribute("flag", $autoSettle);
             $request->appendChild($element);
         }
+        if (
+            $builder->transactionType == TransactionType::AUTH &&
+            !empty($builder->multiCapturePaymentCount)
+        ) {
+            $request->appendChild($xml->createElement("estnumtxn", $builder->multiCapturePaymentCount));
+        }
 
         $request->appendChild($xml->createElement("orderid", $orderId));
         if (isset($builder->surchargeAmount)) {
diff --git a/src/Builders/RequestBuilder/GpEcom/GpEcomManagementRequestBuilder.php b/src/Builders/RequestBuilder/GpEcom/GpEcomManagementRequestBuilder.php
index af2befc..b298dd8 100644
--- a/src/Builders/RequestBuilder/GpEcom/GpEcomManagementRequestBuilder.php
+++ b/src/Builders/RequestBuilder/GpEcom/GpEcomManagementRequestBuilder.php
@@ -6,6 +6,7 @@
 use GlobalPayments\Api\Builders\BaseBuilder;
 use GlobalPayments\Api\Builders\ManagementBuilder;
 use GlobalPayments\Api\Entities\Enums\AlternativePaymentType;
+use GlobalPayments\Api\Entities\Enums\RecurringSequence;
 use GlobalPayments\Api\Entities\Enums\TransactionType;
 use GlobalPayments\Api\Entities\Exceptions\BuilderException;
 use GlobalPayments\Api\Entities\IRequestBuilder;
@@ -58,7 +59,9 @@ public function buildRequest(BaseBuilder $builder, $config)
 
         if ($builder->amount !== null) {
             $amount = $xml->createElement("amount", preg_replace('/[^0-9]/', '', sprintf('%01.2f', $builder->amount)));
-            $amount->setAttribute("currency", $builder->currency ?? '');
+            if (!empty($builder->currency)) {
+                $amount->setAttribute("currency", $builder->currency);
+            }
             $request->appendChild($amount);
         } elseif ($builder->transactionType === TransactionType::CAPTURE) {
             throw new BuilderException("Amount cannot be null for capture.");
@@ -74,12 +77,21 @@ public function buildRequest(BaseBuilder $builder, $config)
         }
         $request->appendChild($xml->createElement("pasref", $builder->transactionId ?? ''));
 
-        // rebate hash
-        if ($builder->transactionType === TransactionType::REFUND &&
-            is_null($builder->alternativePaymentType)) {
+        if (
+            ($builder->transactionType === TransactionType::REFUND && is_null($builder->alternativePaymentType)) ||
+            ($builder->multiCapture === true)) {
             $request->appendChild($xml->createElement("authcode", $builder->paymentMethod->authCode ?? ''));
         }
 
+        if ($builder->multiCapture === true) {
+            $isFinal = ($builder->multiCaptureSequence == RecurringSequence::LAST ? 1 : 0);
+            $txnseq = $xml->createElement("txnseq");
+            $final = $xml->createElement("final");
+            $final->setAttribute('flag', $isFinal);
+            $txnseq->appendChild($final);
+            $request->appendChild($txnseq);
+        }
+
         // reason code
         if ($builder->reasonCode !== null) {
             $request->appendChild($xml->createElement("reasoncode", $builder->reasonCode ?? ''));
diff --git a/src/Mapping/GpEcomMapping.php b/src/Mapping/GpEcomMapping.php
index 3ee8890..f652b13 100644
--- a/src/Mapping/GpEcomMapping.php
+++ b/src/Mapping/GpEcomMapping.php
@@ -341,6 +341,9 @@ public static function mapManageRequestType(ManagementBuilder $builder)
     {
         switch ($builder->transactionType) {
             case TransactionType::CAPTURE:
+                if ($builder->multiCapture === true) {
+                    return 'multisettle';
+                }
                 return 'settle';
             case TransactionType::HOLD:
                 return 'hold';
diff --git a/test/Integration/Gateways/GpEcomConnector/CreditTest.php b/test/Integration/Gateways/GpEcomConnector/CreditTest.php
index 69a3467..fd2e01c 100644
--- a/test/Integration/Gateways/GpEcomConnector/CreditTest.php
+++ b/test/Integration/Gateways/GpEcomConnector/CreditTest.php
@@ -6,6 +6,7 @@
 use GlobalPayments\Api\Entities\Enums\CreditDebitIndicator;
 use GlobalPayments\Api\Entities\Enums\DccProcessor;
 use GlobalPayments\Api\Entities\Enums\DccRateType;
+use GlobalPayments\Api\Entities\Enums\RecurringSequence;
 use GlobalPayments\Api\Entities\Exceptions\GatewayException;
 use GlobalPayments\Api\PaymentMethods\CreditCardData;
 use GlobalPayments\Api\ServiceConfigs\Gateways\GpEcomConfig;
@@ -378,4 +379,35 @@ public function testCreditChargeWithExceededSurchargeAmount()
             $this->assertTrue($exceptionCaught);
         }
     }
+    public function testMultiCapture()
+    {
+        $transaction = $this->card->authorize(30)
+            ->withCurrency('EUR')
+            ->withMultiCapture(true, 3)
+            ->execute();
+
+        $this->assertNotNull($transaction);
+        $this->assertEquals('00', $transaction->responseCode);
+
+        $capture1 = $transaction->capture(10)
+            ->withMultiCapture(RecurringSequence::FIRST)
+            ->execute();
+
+        $this->assertNotNull($capture1);
+        $this->assertEquals('00', $capture1->responseCode);
+
+        $capture2 = $transaction->capture(10)
+            ->withMultiCapture(RecurringSequence::SUBSEQUENT)
+            ->execute();
+
+        $this->assertNotNull($capture2);
+        $this->assertEquals('00', $capture2->responseCode);
+
+        $capture3 = $transaction->capture(10)
+            ->withMultiCapture(RecurringSequence::LAST)
+            ->execute();
+
+        $this->assertNotNull($capture3);
+        $this->assertEquals('00', $capture3->responseCode);
+    }
 }