diff --git a/dbschema/product.esdl b/dbschema/product.esdl
index 1098d9e9c8..77f8d6daac 100644
--- a/dbschema/product.esdl
+++ b/dbschema/product.esdl
@@ -66,6 +66,13 @@ module default {
 }
   
 module Product {
+  type KnownCompletionDescription {
+    required value: str;
+    required methodology: Methodology;
+    required createdAt: datetime;
+    required lastUsedAt: datetime;
+  }
+
   scalar type Medium extending enum<
     Print,
     Web,