ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMGISProject Class / DefaultSpatialReference Property
Version

DefaultSpatialReference Property
Gets or sets a WKT string representation of the default spatial reference of the project.
Syntax
public string DefaultSpatialReference {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also