diff --git a/examples/finansbank-payfor/3d-host/_config.php b/examples/finansbank-payfor/3d-host/_config.php
index 12a70e67..cfaaadca 100644
--- a/examples/finansbank-payfor/3d-host/_config.php
+++ b/examples/finansbank-payfor/3d-host/_config.php
@@ -17,14 +17,6 @@
     'store_key'     => '12345678', //MerchantPass only needed for 3D payment
     'env'           => 'test',
     'lang'          => \Mews\Pos\PayForPos::LANG_EN,
-    'customData'    => (object) [
-        /**
-         * 0 : İşlemin E-commerce olduğunu ifade eder.
-         * 1 : İşlemin MO TO olduğunu ifade ede
-         */
-        'moto' => '0',
-        'mbrId' => 5, //Kurum Kodu
-    ]
 ];
 
 try {
diff --git a/examples/finansbank-payfor/3d-pay/_config.php b/examples/finansbank-payfor/3d-pay/_config.php
index a71485db..4c2bddde 100644
--- a/examples/finansbank-payfor/3d-pay/_config.php
+++ b/examples/finansbank-payfor/3d-pay/_config.php
@@ -17,14 +17,6 @@
     'store_key'     => '12345678', //MerchantPass only needed for 3D payment
     'env'           => 'test',
     'lang'          => \Mews\Pos\PayForPos::LANG_EN,
-    'customData'    => (object) [
-        /**
-         * 0 : İşlemin E-commerce olduğunu ifade eder.
-         * 1 : İşlemin MO TO olduğunu ifade ede
-         */
-        'moto' => '0',
-        'mbrId' => 5, //Kurum Kodu
-    ]
 ];
 
 try {
diff --git a/examples/finansbank-payfor/3d/_config.php b/examples/finansbank-payfor/3d/_config.php
index c7782539..87107e9a 100644
--- a/examples/finansbank-payfor/3d/_config.php
+++ b/examples/finansbank-payfor/3d/_config.php
@@ -17,14 +17,6 @@
     'store_key'     => '12345678', //MerchantPass only needed for 3D payment
     'env'           => 'test',
     'lang'          => \Mews\Pos\PayForPos::LANG_EN,
-    'customData'    => (object) [
-        /**
-         * 0 : İşlemin E-commerce olduğunu ifade eder.
-         * 1 : İşlemin MO TO olduğunu ifade ede
-         */
-        'moto' => '0',
-        'mbrId' => 5, //Kurum Kodu
-    ]
 ];
 
 try {
diff --git a/examples/finansbank-payfor/regular/_config.php b/examples/finansbank-payfor/regular/_config.php
index 1096cd4f..526dfdbc 100644
--- a/examples/finansbank-payfor/regular/_config.php
+++ b/examples/finansbank-payfor/regular/_config.php
@@ -16,14 +16,6 @@
     'password'      => 'UcBN0',
     'env'           => 'test',
     'lang'          => \Mews\Pos\PayForPos::LANG_EN,
-    'customData'    => (object) [
-        /**
-         * 0 : İşlemin E-commerce olduğunu ifade eder.
-         * 1 : İşlemin MO TO olduğunu ifade ede
-         */
-        'moto' => '0',
-        'mbrId' => 5, //Kurum Kodu
-    ]
 ];
 
 try {
diff --git a/src/PayForPos.php b/src/PayForPos.php
index 85281263..c3f69628 100644
--- a/src/PayForPos.php
+++ b/src/PayForPos.php
@@ -25,6 +25,23 @@ class PayForPos implements PosInterface
     const LANG_TR = 'tr';
     const LANG_EN = 'en';
 
+    /**
+     * Kurum kodudur. (Banka tarafından verilir)
+     */
+    const MBR_ID = '5';
+
+    /**
+     * MOTO (Mail Order Telephone Order) 0 for false, 1 for true
+     */
+    const MOTO = '0';
+
+    /**
+     * Raw Response Data
+     *
+     * @var object
+     */
+    protected $data;
+
     /**
      * Response Codes
      *
@@ -99,12 +116,6 @@ class PayForPos implements PosInterface
      */
     private $response;
 
-    /**
-     * Raw Response Data
-     *
-     * @var object
-     */
-    protected $data;
 
     public function __construct($config, $account, array $currencies)
     {
@@ -470,7 +481,7 @@ public function createXML(array $data, $encoding = 'UTF-8'): string
      */
     public function create3DHash()
     {
-        $hashStr = $this->account->customData->mbrId . $this->order->id
+        $hashStr = self::MBR_ID . $this->order->id
             . $this->order->amount . $this->order->success_url
             . $this->order->fail_url . $this->type
             . $this->order->installment . $this->order->rand
@@ -746,11 +757,11 @@ protected function getDefaultPaymentResponse()
     protected function createRegularPaymentXML()
     {
         $requestData = [
-            'MbrId' => $this->account->customData->mbrId,
+            'MbrId' => self::MBR_ID,
             'MerchantId' => $this->account->client_id,
             'UserCode' => $this->account->username,
             'UserPass' => $this->account->password,
-            'MOTO' => $this->account->customData->moto,
+            'MOTO' => self::MOTO,
             'OrderId' => $this->order->id,
             'SecureType' => 'NonSecure',
             'TxnType' => $this->type,
@@ -775,11 +786,11 @@ protected function createRegularPaymentXML()
     protected function createRegularPostXML()
     {
         $requestData = [
-            'MbrId' => $this->account->customData->mbrId,
+            'MbrId' => self::MBR_ID,
             'MerchantId' => $this->account->client_id,
             'UserCode' => $this->account->username,
             'UserPass' => $this->account->password,
-            'MOTO' => $this->account->customData->moto,
+            'MOTO' => self::MOTO,
             'OrgOrderId' => $this->order->id,
             'SecureType' => 'NonSecure',
             'TxnType' => $this->type,
@@ -822,7 +833,7 @@ protected function create3DPaymentXML($responseData)
     protected function createOrderStatusXML()
     {
         $requestData = [
-            'MbrId' => $this->account->customData->mbrId,
+            'MbrId' => self::MBR_ID,
             'MerchantId' => $this->account->client_id,
             'UserCode' => $this->account->username,
             'UserPass' => $this->account->password,
@@ -843,7 +854,7 @@ protected function createOrderStatusXML()
     protected function createRefundXML()
     {
         $requestData = [
-            'MbrId' => $this->account->customData->mbrId,
+            'MbrId' => self::MBR_ID,
             'MerchantId' => $this->account->client_id,
             'UserCode' => $this->account->username,
             'UserPass' => $this->account->password,
@@ -866,7 +877,7 @@ protected function createRefundXML()
     protected function createCancelXML()
     {
         $requestData = [
-            'MbrId' => $this->account->customData->mbrId,
+            'MbrId' => self::MBR_ID,
             'MerchantId' => $this->account->client_id,
             'UserCode' => $this->account->username,
             'UserPass' => $this->account->password,
@@ -891,7 +902,7 @@ protected function createCancelXML()
     protected function createHistoryXML($customQueryData)
     {
         $requestData = [
-            'MbrId' => $this->account->customData->mbrId,
+            'MbrId' => self::MBR_ID,
             'MerchantId' => $this->account->client_id,
             'UserCode' => $this->account->username,
             'UserPass' => $this->account->password,
@@ -918,7 +929,7 @@ protected function createHistoryXML($customQueryData)
     protected function getCommon3DFormData($withCrediCard = false)
     {
         $inputs = [
-            'MbrId' => $this->account->customData->mbrId,
+            'MbrId' => self::MBR_ID,
             'MerchantID' => $this->account->client_id,
             'UserCode' => $this->account->username,
             'OrderId' => $this->order->id,
diff --git a/tests/PayForTest.php b/tests/PayForTest.php
index 9d7edb3b..c58d1b87 100644
--- a/tests/PayForTest.php
+++ b/tests/PayForTest.php
@@ -39,14 +39,6 @@ protected function setUp(): void
             'store_key'     => '12345678', //MerchantPass only needed for 3D payment
             'env'           => 'test',
             'lang'          => PayForPos::LANG_EN,
-            'customData'    => (object) [
-                /**
-                 * 0 : İşlemin E-commerce olduğunu ifade eder.
-                 * 1 : İşlemin MO TO olduğunu ifade ede
-                 */
-                'moto' => '0',
-                'mbrId' => 5, //Kurum Kodu
-            ],
         ];
 
         $this->card = new CreditCardPayFor('5555444433332222', '22', '01', '123', 'ahmet');
@@ -95,7 +87,7 @@ public function testGet3DFormData()
         $form = [
             'gateway' => $this->config['banks'][$this->account->bank]['urls']['gateway'][$this->account->env],
             'inputs' => [
-                'MbrId' => $this->account->customData->mbrId,
+                'MbrId' => PayForPos::MBR_ID,
                 'MerchantID' => $this->account->client_id,
                 'UserCode' => $this->account->username,
                 'OrderId' => $this->order->id,