CopyMetadataFromItem Method (IMetadata)
Item: Copy metadata from the source item's metadata: CopyMetadataFromItem
Item featureClassItem = ItemFactory.Instance.Create(@"C:\projectAlpha\GDBs\regionFive.gdb\SourceFeatureClass");
await QueuedTask.Run(() => metadataItemImport.CopyMetadataFromItem(featureClassItem));
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3 or higher.