Add a callback to add content to print_password_policy

Log in as admin Navigate to Site administration -> Plugins -> Authentication -> Manage authentication plugins Ensure that the "Email-based self-registration" plugin is enabled Set the "Self registration" setting to "Email-based self-registration" Create a file auth/manual/lib.php <?php function auth_manual_print_password_policy() { return[ "this is awesome"]; } Purge caches: php admin/cli/purge_caches.php Add the following in config.php: $CFG->passwordpolicy = 1; Log out View the login page Click to sign up as a new user Confirm that the text appears above the Password field