Access cakephp session (auth) from outside cakephp

Question

I have a CakePHP website with its own login system using the Auth component. I would like to know if the following is possible:

A user has logged in and is navigatin

Answer 1

This is not working in Cakephp3. After calling

session_name("CAKEPHP");
session_start();

Application session is expiring.