Off
Class members of prefab assets are hidden in the Inspector View.
You will need to open the prefab asset in Prefab Mode to view or edit its content.
View Only
Class members of prefab assets are shown in the Inspector View but cannot be edited.
You will need to open the prefab asset in Prefab Mode to edit its content.
Enabled (Default)
Class members of prefab assets are shown in the Inspector View and can be edited directly in it.