ArcGIS Pro 2.7 API Reference Guide
KeyFieldName Property

ArcGIS.Core.CIM Namespace > CIMLinkChartEntity Class : KeyFieldName Property
Gets or sets the field used to uniquely identify nodes. If duplicate values exist you can CollapseDuplicates.
Syntax
public string KeyFieldName {get; set;}
Public Property KeyFieldName As String
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

CIMLinkChartEntity Class
CIMLinkChartEntity Members