ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Framework.Utilities Namespace / Broadcast Class / Publish Method

Publish Method (Broadcast)
Broadcasts a message on the specified channel to all running instances of Pro.
Syntax
public static bool Publish( 
   Guid channel,
   int messageID,
   string message
)

Parameters

channel
messageID
message

Return Value

True if the broadcast succeeds
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also