The IFCExternalServiceUIData type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
 | Document | return the document |
| IsReset | flag to indicate the value has been reset |
| IsValidObject | Specifies whether the .NET object represents a valid Revit entity. |
| ParamId | the parameter id |
| SelectedIFCItem | The selected IFC Item (can be IFC Entity, or PredefinedType) |