You can now indicate that you have completed something and add evidence but the update doesn't yet work and it will need refatoring because we need to get back to the CAF or company.

config/routes.rb

@@ -6,6 +6,8 @@ Rails.application.routes.draw do
       resources :cafs
   end
 
+  resources :subprincipleitems, only: [:edit, :update]
+
   authenticated :user do
     root to: 'home#index', as: :authenticated_root
   end