ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMChartLegend Class / ValueFormat Property

ValueFormat Property (CIMChartLegend)
Gets or sets the format string for series value labels.
Syntax
public string ValueFormat {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.3 or higher.
See Also