ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / PopupContent Class / Category Property

Category Property (PopupContent)
Gets or sets the category for grouping of the pop-up.
Syntax
public string Category {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also