With this plugin you can assign a group to a user when the user registers.
The following plugin is required
This plugin requires the RainLab User plugin.
To add a user to a group, add the
group parameter to the registration page URL. The parameter value must match the group code. For example, if you have a user group 'VIP' with code 'vip' and you have added the Account CMS component to a page with the URL
/login, the URL for adding a user to the group would look like this:
Found the plugin not useful on 21 Sep, 2020
this is not working. the "=" sign is not valid in the current url format in October.
Dec 23, 2018