diff --git a/playground/dan/webinar/1-approval-two-eyes/request-schema.json b/playground/dan/webinar/1-approval-two-eyes/request-schema.json
index e3d4c5e4..56742282 100644
--- a/playground/dan/webinar/1-approval-two-eyes/request-schema.json
+++ b/playground/dan/webinar/1-approval-two-eyes/request-schema.json
@@ -21,6 +21,7 @@
     }
   },
   "required": [
-    "start_date"
+    "start_date",
+    "end"
   ]
 }
\ No newline at end of file