ArcGIS Pro 2.6 API Reference Guide
OnlineItem Class
Members 

ArcGIS.Desktop.Core.Portal Namespace : OnlineItem Class
Base class for portal entities
Object Model
OnlineItem 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.PortalFolder
            ArcGIS.Desktop.Core.Portal.PortalGroup
            ArcGIS.Desktop.Core.Portal.PortalItem

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

OnlineItem Members
ArcGIS.Desktop.Core.Portal Namespace