diff --git a/src/lib/models/seriesOfLetters.php b/src/lib/models/seriesOfLetters.php
index 87efd45..5ff6fa6 100644
--- a/src/lib/models/seriesOfLetters.php
+++ b/src/lib/models/seriesOfLetters.php
@@ -3,6 +3,12 @@
 class seriesOfLetters extends \Phalcon\Mvc\Model
 {
 
+    public $name;
+    public $letters;
+    public $period_int;
+    public $period_val;
+    public $status;
+
     public function getSource()
     {
         return "series_of_letters";
--
libgit2 0.21.4