Provides a container of all Revit built-in FailureDefinitionId instances. 
 
The BuiltInFailures IlluminationFailures type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
|     | IESFileNotFoundWarning |  Estimated Illumination failed. IES file not found for lighting fixture.  | 
|     | LightingFixtureLumensWarning |  Estimated Illumination failed. Lumens not set for lighting fixture.  | 
|     | RoomCoefficientUtilizationWarning |  Estimated Illumination failed. Coefficient of utilization not set for lighting fixture.  | 
|     | RoomLightLossFactorWarning |  Estimated Illumination failed. Light Loss factor not set for lighting fixture.  |