If you want users to log in to your Joomla site using their Connect2id credentials, you can do it using our Joomla OAuth plugin. Once you configure the Connect2id with the Joomla OAuth plugin, you can allow Connect2id users to SSO into your Joomla site using Connect2id.
Similarly, you can map your Joomla roles based on your Connect2id attributes/groups. To know more about other features we provide in the Joomla OAuth plugin, you can download by click here.