How to get ceiling boundary as Curve in dynamo?

Revit
,
1

I need to extract ceiling boundary to curve so that i can create soffit wall for ceiling in dynamo .
If anyone knows please hepl!!!

2

have you tried Springs Element Sketch Collector?

3

Thanks for reply Man, Actually i am new to dynamo. i searched a lot didn’t find any node for ceiling.

4

but this doesn’t work on linked elements :face_exhaling:

5

@sensiblehira
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