diff --git a/model/MongoDbCommand.php b/model/MongoDbCommand.php
index 7c9328d..d348d4c 100644
--- a/model/MongoDbCommand.php
+++ b/model/MongoDbCommand.php
@@ -59,6 +59,14 @@ abstract class MongoDbCommand
     abstract protected function concreteExecute();
 
     abstract protected function checkParams();
+
+    /**
+     * @TODO: implement method in subclasses for Profiler
+     */
+    public function __toString()
+    {
+        return get_called_class();
+    }
 }
 
 class FindMongoCommand extends MongoDbCommand