diff --git a/python/xviz_avs/builder/ui_primitive.py b/python/xviz_avs/builder/ui_primitive.py
index 0d9404289..10ae07292 100644
--- a/python/xviz_avs/builder/ui_primitive.py
+++ b/python/xviz_avs/builder/ui_primitive.py
@@ -44,6 +44,15 @@ def treetable(self, columns):
 
         return self
 
+    def single_row(self, id_, values):
+        self._validate_prop_set_once('_id')
+
+        row = XVIZTreeTableRowBuilder(id_, values)
+        self._rows.append(row)
+        self._type = UIPRIMITIVE_TYPES.TREETABLE
+
+        return self
+
     def row(self, id_, values):
         self._validate_prop_set_once('_id')