The external service Id which permits registration of an alternate implementation for duct fitting and accessory pressure drop calculation.

Namespace: Autodesk.Revit.DB.ExternalService
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

C#
`public static ExternalServiceId DuctFittingAndAccessoryPressureDropService { get; }`

Visual Basic
`Public Shared ReadOnly Property DuctFittingAndAccessoryPressureDropService As ExternalServiceId Get`

Visual C++
`public: static property ExternalServiceId^ DuctFittingAndAccessoryPressureDropService { ExternalServiceId^ get (); }`

See Also