Name of a layer settings standard or filename (with custom layer settings). Valid standards are: AIA, CP83, BS1192, and ISO13567. default value is "" (empty) which means if no value is set, if no value is set, Revit will use a default value according to the localization.

public string LayerMapping { get; set; }

Public Property LayerMapping As String
	Get
	Set

public:
property String^ LayerMapping {
	String^ get ();
	void set (String^ value);
}