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

DefinitionQuery Property (ReportDataSource)
Gets the definition query.
Syntax
public string DefinitionQuery {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.4 or higher.
See Also