Please be aware that Lyyti is developed constantly and your view might not match 100% with the view described in this article.
The video below will show you how to fetch the open registration link of your Next Gen event from 2 places :
1- From the top bar of your event
2 - From the Settings section of your event
In the Settings section, you can also manage how that open link would be displayed on social media.
This video is 1 min 10 sec long and can be viewed without sound.