diff --git a/ir/ui/tree.rng b/ir/ui/tree.rng
index bcd6ef9..a0e0cae 100755
--- a/ir/ui/tree.rng
+++ b/ir/ui/tree.rng
@@ -141,6 +141,7 @@
time
timedelta
tolerance_gauge
+ variation
url
@@ -208,6 +209,52 @@
+
+
+
+ sum_previous
+
+
+
+
+
+
+
+ sum_variation
+
+ 0
+ 1
+
+
+
+
+
+
+
+ variation_previous
+
+
+
+
+
+
+
+ variation_group_by
+
+
+
+
+
+
+
+ variation_summary
+
+ 0
+ 1
+
+
+
+