ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMDefinition Class / SourceModifiedTime Property

SourceModifiedTime Property (CIMDefinition)
Gets or sets the time the source was last modified, as of the last sync. Used to detect when another sync is needed.
Syntax
public TimeInstant SourceModifiedTime {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also