Add – Adds objects currently selected in the scene to the "Replacing Objects" list.
Remove – Removes selected entries from the "Replacing Objects" list.
Clear All – Removes all entries from the "Replacing Objects" list.
Seed – Changes the replacement randomization.
Cloning Type – Allows you to select one out of three available cloning types: copy, instance or reference.
Advanced – Shows additional replacement settings.
Layer From Object(s) – Specifies whether the resulting objects should be placed on the Replacing or Replaced objects' layers. Material From Object(s) – Specifies whether the resulting objects should be using the Replacing or Replaced objects' materials. Rotation From Object(s) – Specifies whether the resulting objects should be rotated based on the Replacing or Replaced objects' rotation. Scale From Object(s) – Specifies whether the resulting objects should be scaled based on the Replacing or Replaced objects' scale. Wire Color From Object(s) – Specifies whether the resulting objects should be using the Replacing or Replaced objects' wire colors.
Start Preview – Initiates a live preview directly in the viewport.
Reset Options – Restores all settings back to their default values.