Here is where you can find the settings for subuser in Edit Event for your Event.
1.Allow subuser: checker to allow adding subusers
2,Deadline for adding subusers: the deadline to add subusers to the event
3.Editable subusers: the ability to edit the subusers
Example where to see the subusers in booking and know who is a subuser(they are displayed bellow the user that they are connected to)
To add subuser go on registration page:
After completing first page for your main user the option to add subuser will be displayed:
Add attendee is the option to add subusers:
After adding subuser or subusers you can see them al listed on "Personalize"
As the main user you can pay for your subusers if they added something in the basket: