FamilyInstance.ByFace on a linked model

I am trying to figure out how FamilyInstance.ByFace works. the inputs are as follows;

  1. family type
  2. face
  3. location
  4. referenceDirection

what i really want to do is to place a family instance electrical fixture to a specific location in the model but our architectural model is a linked model.

I need to put my electrical fixture to by face on the architectural ceiling slab.

Need help please :slight_smile:

after some trial and error i got it to work :slight_smile: wohoooooo!!! YEAHHH!!! so happy hahaha.

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