emacs - Add prompt for exit

It will only continue if you type out "yes".
Everything else is ignored.

emacs/.emacs.d/init.el

@@ -8,6 +8,15 @@
 ;; Change all prompts to y or n
 (fset 'yes-or-no-p 'y-or-n-p)
 
+;; my prompt
+(defun my/yes-or-whatever-p (prompt)
+  (string= "yes"
+		   (downcase
+			(read-from-minibuffer
+			 (concat prompt "(yes or whatever) ")))))
+;; Ask if you want to quit emacs
+(setq confirm-kill-emacs 'my/yes-or-whatever-p)
+
 ;; Nope function
 (defun nope ()
   (interactive)