An enumerated type listing options to appear in the exported layer name. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
  Since:  2014 
  Since:  2014 
Syntax
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Members
| Member name | Description | 
|---|---|
| UnknownType | An unknown (default) type of modifier, not acceptable for assignment. | 
| Category | Signals that the name of the category will appear in the layer name. | 
| Custom1 | Signals that the first custom string will appear in the layer name. | 
| Custom2 | Signals that the second custom string will appear in the layer name. | 
| Custom3 | Signals that the third custom string will appear in the layer name. | 
| FireRating | Signals that the value of fire rating will appear in the layer name. | 
| Function | Signals that the value of function will appear in the layer name. | 
| Level | Signals that the name of the level will appear in the layer name. | 
| PhaseCreated | Signals that the name of the created phase will appear in the layer name. | 
| PhaseDemolished | Signals that the name of the demolition phase will appear in the layer name. | 
| PhaseStatus | Signals that the value of of phase status will appear in the layer name. | 
| StructuralMaterialType | Signals that the value of structural material type will appear in the layer name. | 
| StructuralUsage | Signals that the value of structural usage will appear in the layer name. | 
| SystemName | Signals that the system name will appear in the layer name. | 
| SystemType | Signals that the system type will appear in the layer name. | 
| Underlay | Signals that the name of the underlay will appear in the layer name. | 
| ViewType | Signals that the view type will appear in the layer name. | 
| Workset | Signals that the name of the workset will appear in the layer name. | 
| AnalyzesAs | Signals that the value of the AnalyzesAs parameter will appear in the layer name. | 
| SystemClassification | Signals that the system classification will appear in the layer name. | 
| DomainType | Signals that the domain type will appear in the layer name. | 
| FabricationService | Signals that the fabrication service will appear in the layer name. |