diff --git a/app/serializers/concerns/user_defined_fields/fieldable_serializer.rb b/app/serializers/concerns/user_defined_fields/fieldable_serializer.rb
new file mode 100644
index 0000000..c93eefd
--- /dev/null
+++ b/app/serializers/concerns/user_defined_fields/fieldable_serializer.rb
@@ -0,0 +1,11 @@
+module UserDefinedFields
+  module FieldableSerializer
+    extend ActiveSupport::Concern
+
+    included do
+      index_attributes :user_defined
+      show_attributes :user_defined
+    end
+
+  end
+end