diff --git a/Readme.md b/Readme.md
index 4d77241..0ac9210 100644
--- a/Readme.md
+++ b/Readme.md
@@ -114,9 +114,18 @@ public function pay()
     //otherwise don't do anything
     //config(['nagad.callback_url' => env('NAGAD_CALLBACK_URL')]);
     
-    $response = NagadPayment::create($amount, $trx_id); // 1st parameter is amount and 2nd is unique invoice number
-
-    //$response = NagadPayment::create($amount, $trx_id,1); // additional last parameter for manage difference account
+    // if you have additional information you can use below block, all fields are optional
+    $additionalMerchantInfo = [
+        'serviceName' => 'T Shirt',
+        'serviceLogoURL' => 'https://w7.pngwing.com/pngs/941/692/png-transparent-black-small-apple-logo-logo-material-apple-logo-black-thumbnail.png', // must be valid public URL
+        'additionalFieldNameEN' => 'Color',
+        'additionalFieldNameBN' => 'রং',
+        'additionalFieldValue' => 'White' // must be in English
+    ];
+
+    $response = NagadPayment::create($amount, $trx_id, 0, $additionalMerchantInfo); // 1st parameter is amount and 2nd is unique invoice number
+
+    //$response = NagadPayment::create($amount, $trx_id, 1, $additionalMerchantInfo); // additional last parameter for manage difference account
 
     if (isset($response) && $response->status == "Success"){
         return redirect()->away($response->callBackUrl);
diff --git a/src/Payment/Payment.php b/src/Payment/Payment.php
index 4589dd6..b63023c 100644
--- a/src/Payment/Payment.php
+++ b/src/Payment/Payment.php
@@ -52,7 +52,7 @@ private function initPayment($invoice, $account=null)
      * @throws InvalidPublicKey
      * @throws NagadException
      */
-    public function create($amount, $invoice, $account=1)
+    public function create($amount, $invoice, $account=1, $additionalMerchantInfo = null)
     {
         if ($account == 1) $account=null;
         else $account="_$account";
@@ -74,6 +74,7 @@ public function create($amount, $invoice, $account=1)
                     'sensitiveData'       => $this->encryptWithPublicKey(json_encode($sensitiveOrderData),$account),
                     'signature'           => $this->signatureGenerate(json_encode($sensitiveOrderData),$account),
                     'merchantCallbackURL' => config("nagad.callback_url$account"),
+                    'additionalMerchantInfo' => $additionalMerchantInfo
                 ]);
             $response = json_decode($response->body());
             if (isset($response->reason)) {