https://moodle.org/plugins/enrol_autoenrol ?
It not the right one, search amoung the other enrolment plug-ins https://moodle.org/plugins/browse.php?list=category&id=22.
It not the right one, search amoung the other enrolment plug-ins https://moodle.org/plugins/browse.php?list=category&id=22.