ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMLegend Class / FeatureCountSuffix Property

FeatureCountSuffix Property
Gets or sets the feature count suffix. Deprecated in 1.4. Use count suffix in legend item instead.
Syntax
public string FeatureCountSuffix {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also