ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Editing Namespace / EditOperation Class / UpdateAttachment Method

UpdateAttachment Method (EditOperation)
Overload List
OverloadDescription
Update an attachment to a row/feature with attachment support.  
Update an attachment to a row/feature with attachment support.  
Update an attachment to a row/feature with attachment support.  
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.6 or higher.
See Also