Read-write property that gets and sets the roughness value, roughness value Ra minimum, minimum roughness value, or grade number. Setting this property will return an error if the MaximumRoughness property is not specified. Denoted by A in the surface texture.
Syntax
ModelSurfaceTextureSymbolDefinition.MinimumRoughness() As String
Property Value
This is a read/write property whose value is a String.