Before synchronizing:

Step 1: Set Revit Attribute Configurations

Step 2: Link and Synchronize dRofus Items and Revit Family types

Synchronize Item Occurrence / Family Type Instance

Synchronize Item Occurrence with Family Type Instance by:

Import and update Item Occurrence to selected Linked Items

Compare and update Instance / Occurrence in one Room/ Space

Compare and update Instance / Occurrence in Multiple selected Rooms

Sync Selected Instances.

Sync instance in Current View