ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Reports Namespace / ReportDataSource Class / MapMember Property

MapMember Property (ReportDataSource)
Gets the Layer or Standalone table in the project.
Syntax
public MapMember MapMember {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.4 or higher.
See Also