diff --git a/src/SMSService.php b/src/SMSService.php
index <HASH>..<HASH> 100644
--- a/src/SMSService.php
+++ b/src/SMSService.php
@@ -7,6 +7,9 @@
  */
 namespace marqu3s\nrsgateway;
 
+use yii\helpers\VarDumper;
+use Yii;
+
 /**
  * Class SMSService
  *
Update SMSService.php

Add some use statements.