sample.rb

attributes = %w(item_id revision app app_item_id app_item_id_formatted external_id
                title fields rights created_on ratings conversations tasks references
                refs tags subscribed pinned user_ratings link invite participants linked_account_id
                ref priority excerpt is_liked like_count push presence comment_count task_count file_ids)
     attributes.each do |p|
       item_instance.send("#{p}=", item.send("#{p}"))
     end