ArcGIS Pro 3.1 API Reference Guide
ArcGIS.Desktop.Editing Namespace / EditOperation Class / RemoveAttachment Method
Version

RemoveAttachment Method
Overload List
OverloadDescription
Remove an attachment from a row/feature with attachment support.  
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.0 or higher.
See Also