"client" is a custom post type because I have to add several metaboxes. For a better ergonomy on admin side, I would like to add my custom post type "client" as "users" submenu.
I understand to display a custom post type, normally urls are :
When I add "client" inside users menu, I got this url :
So, that does not work.
How can I get the client edition with list/post-new/edit-new based on the last url ?