update README.md

README.md

@@ -11,7 +11,7 @@
 </p>
 
 ## Requirements
-- PHP v7.2+
+- PHP v7.2.5+
 - PHP JSON Extension
 - PHP cURL Extension
 
@@ -31,6 +31,7 @@ require 'path/to/your/vendor/autoload.php';
 
 use ZerosDev\TriPay\Client as TriPayClient;
 use ZerosDev\TriPay\Support\Constant;
+use ZerosDev\TriPay\Support\Helper;
 use ZerosDev\TriPay\Transaction;
 
 $merchantCode = 'T12345';
@@ -42,13 +43,21 @@ $guzzleOptions = []; // Your additional Guzzle options (https://docs.guzzlephp.o
 $client = new TriPayClient($merchantCode, $apiKey, $privateKey, $mode, $guzzleOptions);
 $transaction = new Transaction($client);
 
+/**
+ * `amount` will be calculated automatically from order items
+ * so you don't have to enter it
+ * In this example, amount will be 40.000
+ */
 $result = $transaction
     ->addOrderItem('Gula', 10000, 1)
-    ->addOrderItem('Kopi', 6000, 1)
+    ->addOrderItem('Kopi', 6000, 5)
     ->create([
         'method' => 'BRIVA',
+        'merchant_ref' => 'INV123',
         'customer_name' => 'Nama Pelanggan',
         'customer_email' => 'email@konsumen.id',
+        'customer_phone' => '081234567890',
+        'expired_time' => Helper::makeTimestamp('6 HOUR'),
     ]);
 
 echo $result->getBody()->getContents();