The geographic coordinate system ID, such as "AMG-50" and "Beijing1954/a.GK3d-40".
Namespace:
Autodesk.Revit.DB
Assembly:
RevitAPI
(in RevitAPI.dll) Version: 18.0.0.0 (18.0.0.420)
Since:
2018
Syntax
Remarks
If the site does not have a geographic coordinate system, it returns an empty string for this property.