The property labeled "Luminance Scale" from the "AdvancedOpaque" schema.

Namespace: Autodesk.Revit.DB.Visual
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2018.1

Syntax

C#
`public static string OpaqueLuminanceModifier { get; }`

Visual Basic
`Public Shared ReadOnly Property OpaqueLuminanceModifier As String Get`

Visual C++
`public: static property String^ OpaqueLuminanceModifier { String^ get (); }`

Remarks

This property is of type "AssetPropertyDoubleArray4d". This property allows a connected asset.