ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMProjectItem Class / ItemType Property

ItemType Property (CIMProjectItem)
Gets or sets the item type of the project item.
Syntax
public string ItemType {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also