RelatedRecordSortOrder Property
Gets or sets the field name and the sort order by which the related records will be ordered.
The items are defined by the related field name (Format: RelationshipName\\FieldName) as the Keys and the sort order (Enum: Asc, Desc) as the Values.
Target Platforms: Windows 11, Windows 10, Windows 8.1
ArcGIS Pro version: 2.6 or higher.