Logged in user can update their badge from their login .

Click on the Events link from the header of the site .

Click on the My badges link available for the event .

Click on the Edit Badge link available for the registration type for the order .

User can update their badge from here. And also have the option to invite other user for the badge from here.

And the invited user need to update the badge from their login .
For that , login their account and click on the Invitation link on the top of the site.

Click on the Edit Badge link from the Invitations list .

And from there ,the invited user can update their badge details.
