Linking invites to specific pages

I was hoping to register the User with most of the required fields in CB's registration page. One that we require is the avatar.  I see how the process works ( with \CBLib\Image\Image ) but I can't say what the final image filename will be without knowing the userid.  How does CB registration page do that, and can it be done from that registerUser function?   Or do I need to edit the user with the filename after retrieving the new userid?

That's going to be substantially more complicated then. Seams like it would be easier to just send users to CBs registration and have CBs registration accept the invite. Easiest way to do that is just use a session variable or even a cookie. The process would be Link > JEvents > Cookie/Session Variable > CB Registration > Accept Invite. That's more or less how CB Invites does it anyway.

well this is a part of this..... I want to enable a select group of users to have an invite code that can be reused. like in a youtube video info area where when they arrive it works just like a regular invite (connects them to the person who invited them) I want to use this for content creators who have a sizable following so they can bring their entire base over all at once. Would I use the invite system or would a autoaction do this?
 

I did get that CB registration example working ( it had an error ), so it was easy to create the user, retrieve the new id and then use the api to edit the user with his avatar.

I have invites from JEvents working but still need to link the invitee to the inviter.

I would also like an invite to a non-member from a CB group to be connected to that group after they register. On my site, I set up "Custom Groups" that have their own unique login pages, and when they log in, it redirects to their group page.

That's doable with CB Auto Actions. You'd have a text fields for example called "Creator Code" you can then match that code to another user and connect the two or do whatever behavior you like. You'd just need to work out how you're establishing these creator codes. You could for example automatically generate them using PHP and CB Code Field. If you can provide a bit more detail about the registration flow you're wanting I can try to provide some examples.

Alternatively I can review adding support for reusable invite codes to CB Invites since CB Invites already supports invite codes.