clients MAC address HELP!

hello. i need help. i want to register my clients by their mac addresses. not pppoe pptp or other connection. i didnt found any issues about this please help
PS i’m beginner

You can do this with Hotspot, by setting “login by MAC” and removing the username/password fields from the login form, then add new users with MAC as their username:
/ip hotspot profile set hsprof1 login-by=mac

thanks so much i will do that now