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 6a5e4eba..9998d5a5 100644
--- a/playground/dan/webinar/1-approval-two-eyes/request-schema.json
+++ b/playground/dan/webinar/1-approval-two-eyes/request-schema.json
@@ -8,6 +8,12 @@
       "title": "Check to Approve",
       "default": false
     },
+    "delivery_date": {
+      "type": "string",
+      "format": "date",
+      "title": "Preferred Delivery Date",
+      "validationErrorMessage": "Date must be today's date or later"
+    },
     "firstName": {
       "type": "string",
       "title": "First name",