diff --git a/schemas/2021-04-04-preview/Microsoft.Orbital.json b/schemas/2021-04-04-preview/Microsoft.Orbital.json
index 220da0e140..64dbdac815 100644
--- a/schemas/2021-04-04-preview/Microsoft.Orbital.json
+++ b/schemas/2021-04-04-preview/Microsoft.Orbital.json
@@ -332,6 +332,10 @@
           ],
           "description": "Auto track configuration."
         },
+        "eventHubUri": {
+          "type": "string",
+          "description": "The URI of the Event Hub used for telemetry"
+        },
         "links": {
           "oneOf": [
             {