diff --git a/models/src/main/thrift/content/v1.thrift b/models/src/main/thrift/content/v1.thrift
index 67bfdca..1fb2174 100644
--- a/models/src/main/thrift/content/v1.thrift
+++ b/models/src/main/thrift/content/v1.thrift
@@ -815,6 +815,8 @@ struct ContentAtomElementFields {
 
   4: optional bool isMandatory
 
+  5: optional string jsonData
+
 }
 
 struct CodeElementFields {