diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..ad93c14
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,5 @@
+{
+  "image": "mcr.microsoft.com/devcontainers/universal:2",
+  "features": {
+  }
+}
diff --git a/src/paypage.php b/src/paypage.php
index 354a08e..353fd2a 100644
--- a/src/paypage.php
+++ b/src/paypage.php
@@ -4,7 +4,7 @@
 namespace Paytabscom\Laravel_paytabs;
 use Illuminate\Support\Facades\Redirect;
 use Illuminate\Support\Facades\Log;
-
+use Paytabscom\Laravel_paytabs\PaytabsEnum;
 
 class paypage
 {
@@ -33,7 +33,7 @@ public function sendPaymentCode($code)
         return $this;
     }
 
-    public function sendTransaction($transaction,$tran_class)
+    public function sendTransaction($transaction,$tran_class = PaytabsEnum::TRAN_CLASS_ECOM)
     {
         $this->paytabs_core->set02Transaction($transaction,$tran_class);
         return $this;