ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Data Namespace / Selection Class / Add Method

Add Method (Selection)
Overload List
OverloadDescription
Adds a list of rows by object IDs to the selection. This method must be called on the MCT. Use QueuedTask.Run.  
Adds a list of rows by global IDs to the selection. This method must be called on the MCT. Use QueuedTask.Run.  
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also