prefillable fields

config/routes.rb

@@ -108,6 +108,7 @@ Rails.application.routes.draw do
     resource :preferences, only: %i[show create], controller: 'templates_preferences'
     resource :share_link, only: %i[show create], controller: 'templates_share_link'
     resources :recipients, only: %i[create], controller: 'templates_recipients'
+    resources :prefillable_fields, only: %i[create], controller: 'templates_prefillable_fields'
     resources :submissions_export, only: %i[index new]
   end
   resources :preview_document_page, only: %i[show], path: '/preview/:signed_uuid'