Help in cakePdf Plugin

Need Help
1

I am using cakePdf Plugin.
In controller , have method name view(), and view is
in src/templates/ctrlName/pdf/view.ctp

I got error
’/src/Template/ctName/view.ctp’ not found.’

2

Did you add the pdf extension to your routes file?

3

Yes, I did.
Router::extensions(['pdf']);