ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / FeatureSceneLayer Class / DefinitionQuery Property

DefinitionQuery Property (FeatureSceneLayer)
Gets the where clause of the active definition query of a layer or standalone table.
Syntax
public string DefinitionQuery {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.8 or higher.
See Also