add versionadded to dateToString timezone field

kay-kim · kay-kim · commit dedf5c38d4e0 · 2019-06-28T21:48:21.000-04:00
diff --git a/source/reference/operator/aggregation/dateToString.txt b/source/reference/operator/aggregation/dateToString.txt
@@ -70,7 +70,8 @@ Definition
       * - ``timezone``
 
         - .. include:: /includes/fact-timezone-description.rst
-
+        
+          .. versionadded:: 3.6
 
       * - ``onNull``
 
