The RoutingPreferenceRule type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
 | Description | The description of the routing preference rule. |
| IsValidObject | Specifies whether the .NET object represents a valid Revit entity. |
| MEPPartId | The referenced MEPPart (segment or fitting) type in this rule. It may be InvalidElementId if no MEPPart will be allowed when the conditions satisfy the criteria in this rule. |
| NumberOfCriteria | Gets the number of routing criteria. |
| RoutingPreferenceManager | Gets the routing preference manager that owns this rule. |