ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMTableField Class / SortOrder Property
Version

SortOrder Property (CIMTableField)
Gets or sets the zero based sort order. -1 indicates field isn't used for sorting.
Syntax
public int SortOrder {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also