ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / StyleItem Class / Key Property

Key Property (StyleItem)
Gets or sets the key of style item.
Syntax
public string Key {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also