ArcGIS Pro 2.6 API Reference Guide
Title Property (PopupContent)

ArcGIS.Desktop.Mapping Namespace > PopupContent Class : Title Property
Gets or sets the text shown to identify the content. This property will be updated automatically if the content is not set.
Syntax
public string Title {get; set;}
Public Property Title As String
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

PopupContent Class
PopupContent Members