This indicates whether the input spatial element is a valid one. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0) 
  Since:  2012 
Syntax
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Parameters
- spatialElement
-  Type:  Autodesk.Revit.DB SpatialElement  
 The spatial element to be checked if its geometry can be calculated.
Return Value
It will return false if the room/space is not enclosed in 2d or has no location, or the height is too small.Exceptions
| Exception | Condition | 
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| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was null |