diff --git a/modules/Template/PortalDataset.yaml b/modules/Template/PortalDataset.yaml
index 6e5353dd..ae694d4b 100644
--- a/modules/Template/PortalDataset.yaml
+++ b/modules/Template/PortalDataset.yaml
@@ -72,7 +72,7 @@ classes:
       series:
         range: string
         required: false
-      externalViewer:
+      visualizeDataOn:
         range: string
         multivalued: true
         required: false