ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMBookmark Class / RangeExtent Property

RangeExtent Property
Gets or sets the range extent. Can be used across multiple maps that share the same range name. RangeExtent.LayerURI is not used.
Syntax
public CIMLayerRange RangeExtent {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.4 or higher.
See Also