The InternalDefinition type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
 | BuiltInParameter | Tests whether this definition identifies a built-in parameter or not. |
| | Id | The id of the parameter. |
| | IsValidObject | Specifies whether the .NET object represents a valid Revit entity. |
| | Name | The user-visible name for the parameter. (Overrides Definition Name .) |
| | ParameterGroup | Id of a built-in parameter group to which the parameter defined by this definition belongs. (Overrides Definition ParameterGroup .) |
| | ParameterType | Obsolete. Returns the user-visible interpretation of the parameter data. (Overrides Definition ParameterType .) |
| | VariesAcrossGroups | Whether or not the parameter values can vary across group members. |
| | Visible | Indicates if the parameter is visible in the Autodesk Revit user interface. |