What password should I pass when joining my Azure directory with samba

I am on a task to deploy a radius server with Azure AD. I've created my components needed and i've reached the following step: Source: https://wiki.freeradius.org/guide/freeradius-active-directory-integration-howto When I run this bash command i need to pass a password but i don't recall giving my user a password. So what password am i supposed to pass here? Thanks, Ahune