ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Data Namespace / AttributedRelationshipClass Class / CreateRelationship Method
Version

CreateRelationship Method (AttributedRelationshipClass)
Overload List
OverloadDescription
Creates a new relationship between the two specified rows and/or features. This method must be called on the MCT. Use QueuedTask.Run.  
Creates a new relationship between the two specified rows and/or features. This method must be called on the MCT. Use QueuedTask.Run.  
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also