diff --git a/lib/Model/Variable.php b/lib/Model/Variable.php
index e35b286..1153f8e 100644
--- a/lib/Model/Variable.php
+++ b/lib/Model/Variable.php
@@ -92,6 +92,7 @@ public static function openAPIFormats(): array
         'key' => 'key',
         'type' => 'type',
         'value' => 'value',
+        'isDefaulted' => 'isDefaulted',
         'eval' => 'eval'
     ];
 
@@ -105,6 +106,7 @@ public static function openAPIFormats(): array
         'key' => 'setKey',
         'type' => 'setType',
         'value' => 'setValue',
+        'isDefaulted' => 'setIsDefaulted',
         'eval' => 'setEval'
     ];
 
@@ -118,6 +120,7 @@ public static function openAPIFormats(): array
         'key' => 'getKey',
         'type' => 'getType',
         'value' => 'getValue',
+        'isDefaulted' => 'getIsDefaulted',
         'eval' => 'getEval'
     ];