ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Framework.Contracts Namespace / IExtensionConfig Interface / Message Property

Message Property (IExtensionConfig)
Gets or sets the message to appear beside the ProductName in the Extensions table.
Syntax
string Message {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also