ViewPlan.GetCropBox
Dynamo Hierarchy: Rhythm>Revit>Elements>ViewPlan>ViewPlan.GetCropBox
Description:
This node will get the bounds of the view in paper space (in feet).
Inputs:
viewPlan: Element
Outputs:
cropBox: BoundingBoxXYZ
cropBoxCurves: Curve
Dynamo Hierarchy: Rhythm>Revit>Elements>ViewPlan>ViewPlan.GetCropBox
Description:
This node will get the bounds of the view in paper space (in feet).
Inputs:
viewPlan: Element
Outputs:
cropBox: BoundingBoxXYZ
cropBoxCurves: Curve
Dynamo Nodes 
If you find yourself here wondering why you’re getting a box instead of the correct lines make sure the view(port) is not pinned in a viewport on a sheet, this will cause the node to return incorrect geometry.