Don't know how to get the page to scroll back to the last update

Evidence is now saved
More cleaning up to do.

app/controllers/subprincipleitems_controller.rb

@@ -1,5 +1,6 @@
 class SubprincipleitemsController < ApplicationController
     before_action :set_subprincipleitem, only: %i[ edit update ]
+    before_action :set_caf, only: %i[ edit update ]
 
     def edit
     end
@@ -7,7 +8,7 @@ class SubprincipleitemsController < ApplicationController
     def update
         respond_to do |format|
             if @subprincipleitem.update(subprincipleitem_params)
-                format.html { redirect_to company_url(@company), notice: "Company was successfully updated." }
+                format.html { redirect_to (company_caf_path(@caf.company, @caf) + "#subprincipleitem_#{@subprincipleitem.id}"),  notice: "CAF item was updated." }
                 format.json { render :show, status: :ok, location: @company }
             else
                 format.html { render :edit, status: :unprocessable_entity }
@@ -21,8 +22,12 @@ class SubprincipleitemsController < ApplicationController
             @subprincipleitem = Subprincipleitem.find(params[:id])
         end
 
+        def set_caf
+            @caf = Caf.find(params[:caf_id])
+        end
+
         # Only allow a list of trusted parameters through.
         def subprincipleitem_params
-            params.require(:subprincipleitem).permit(:affirmative)
+            params.require(:subprincipleitem).permit(:affirmative,:evidence)
         end
 end