ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMBuildingLayer Class / ExteriorLayer Property

ExteriorLayer Property
Gets or sets the exterior shell feature layer in the project.
Syntax
public string ExteriorLayer {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.4 or higher.
See Also