diff --git a/plugins/techdocs/package.json b/plugins/techdocs/package.json
index a513b7aa8d..a2b1349d53 100644
--- a/plugins/techdocs/package.json
+++ b/plugins/techdocs/package.json
@@ -65,8 +65,14 @@
           "requestUrl": {
             "type": "string",
             "visibility": "frontend"
+          },
+          "storageUrl": {
+            "type": "string"
           }
-        }
+        },
+        "required": [
+          "requestUrl"
+        ]
       }
     }
   }