diff --git a/app/models/spree/digital_link.rb b/app/models/spree/digital_link.rb
index 1b794bc..f8c0032 100644
--- a/app/models/spree/digital_link.rb
+++ b/app/models/spree/digital_link.rb
@@ -27,6 +27,8 @@ module Spree
       self.secret = SecureRandom.hex(15)
       self.access_counter = 0
     end
-  
+
+    attr_accessible :digital_id, :line_item_id, :secret
+
   end
 end
\ No newline at end of file