ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Core Namespace / IMetadataInfo Interface / SetMetadata Method
The xml formatted metadata

SetMetadata Method (IMetadataInfo)
Set the metadata xml.
Syntax
void SetMetadata( 
   string metadataXml
)

Parameters

metadataXml
The xml formatted metadata
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.7 or higher.
See Also