new appraoch

pancake/system/vendor/omnipay/paypal/src/Message/ExpressVoidRequest.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Omnipay\PayPal\Message;
+
+/**
+ * PayPal Express Void Request
+ */
+class ExpressVoidRequest extends AbstractRequest
+{
+    public function getData()
+    {
+        $this->validate('transactionReference');
+        $data = $this->getBaseData();
+        $data['METHOD'] = 'DoVoid';
+        $data['AUTHORIZATIONID'] = $this->getTransactionReference();
+        return $data;
+    }
+}