ArcGIS Pro 2.7 API Reference Guide
Merge Method

ArcGIS.Desktop.Editing Namespace > EditOperation Class : Merge Method
Merge features.
Overload List
OverloadDescription
Merge features into a new feature defined by a feature template.  
Merge features into a new feature in a layer with attributes.  
Merge features within a layer into a new feature with attributes.  
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

EditOperation Class
EditOperation Members