ArcGIS Pro 2.7 API Reference Guide
SortOrder Property (CIMTableField)

ArcGIS.Core.CIM Namespace > CIMTableField Class : SortOrder Property
Gets or sets the zero based sort order. -1 indicates field isn't used for sorting.
Syntax
public int SortOrder {get; set;}
Public Property SortOrder As Integer
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

CIMTableField Class
CIMTableField Members