In LiveWhale 2.x and before this was called EXCLUDE_PUBLIC_GROUPS. That name is still supported in 3.0 for backwards compatibility, but the new name is EXCLUDE_SUBMISSION_GROUPS.
Set an optional array of group IDs if the submissions widget is configured to allow submissions to groups other than Public, and you wish to prevent certain groups from appearing in that selector
Accepted values: array
Context: Front-end (client/public.config.php)
In LiveWhale 2.x and before this was called EXCLUDE_PUBLIC_GROUPS. That name is still supported in 3.0 for backwards compatibility, but the new name is EXCLUDE_SUBMISSION_GROUPS.