ArcGIS Pro 2.7 API Reference Guide
PortalItem Class
Members 

ArcGIS.Desktop.Core.Portal Namespace : PortalItem Class
Represents an item (a unit of content) in the portal. An item may have associated binary or textual data which is available via the GetDataAsync() method.
Object Model
PortalItem ClassItem ClassOnlineItem ClassTimeInstant Class
Syntax
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Framework.Contracts.PropertyChangedBase
      ArcGIS.Desktop.Core.Item
         ArcGIS.Desktop.Core.Portal.OnlineItem
            ArcGIS.Desktop.Core.Portal.PortalItem

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

PortalItem Members
ArcGIS.Desktop.Core.Portal Namespace