ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Editing.Attributes Namespace / Inspector Class / ObjectID Property

ObjectID Property (Inspector)
Gets the ObjectID for the feature loaded into an inspector.
Syntax
public long ObjectID {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also