Hotspot User Password Changing with User Manager

RouterOS Beginner Basics
1

How can a hotspot user with User Manager change his password at the client side of it without calling on the Service Provider?

2

It is possible only with User Manager help.

3

I know it is possible for clients to change their password with User Manager Help, but HOW!!!

4

Here it is,
http://wiki.mikrotik.com/wiki/User_Manager/User_page