ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMGISProject Class / ProjectMetadata Property

ProjectMetadata Property
Gets or sets the path to an XML file in the same folder as the APRX that contains metadata about the project.
Syntax
public string ProjectMetadata {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also