ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Framework Namespace / AddInInfo Class / TargetVersion Property

TargetVersion Property (AddInInfo)
Gets and sets the version of ArcGIS Pro the add-in targets.
Syntax
public string TargetVersion {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.4 or higher.
See Also