...
Permissions are set on group level. You can select as many existing groups as you need. Either fill in the group name manually or click on the group icon and choose the groups
or fill in the group name/s manually:
Once chosen the groupsgroup/s, please click an the "Add" button to save your selection. The groups will be listed in the "Assigned" column of the interface.
If you have typed the group name manually and this group does not exist, it won't be saved.
...