Retrieves a parameter from the element given identifier. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0) 
  Since:  2022 
Syntax
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Parameters
- parameterTypeId
-  Type:  Autodesk.Revit.DB ForgeTypeId  
 Identifier of the built-in parameter.
Remarks
 Parameters are a generic form of data storage within elements. The parameters are visible through the Autodesk Revit user interface in the Element Properties dialog. This method uses a built in parameter identifier to access the parameter. Autodesk Revit has a large number of built in parameters that are available via static properties. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | parameterTypeId does not identify a built-in parameter. See Parameter.IsBuiltInParameter(ForgeTypeId) and Parameter.GetParameterTypeId(BuiltInParameter). | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |