diff --git a/models/form.tsp b/models/form.tsp
index b23e531..e18a859 100644
--- a/models/form.tsp
+++ b/models/form.tsp
@@ -76,8 +76,10 @@ model RealAnswer {
 model Answer {
   @visibility("read")
   id: uint32;
+  user: User;
 
   form_id: uint32;
+  timestamp: utcDateTime;
   title: string;
   answers: RealAnswer[];
 }