ArcGIS Pro 2.7 API Reference Guide
PortalSignOnChangedEvent Class
Members 

ArcGIS.Desktop.Core.Events Namespace : PortalSignOnChangedEvent Class
Occurs when the sign on state of a portal changes.
Object Model
PortalSignOnChangedEvent ClassSubscriptionToken ClassSubscriptionToken Class
Syntax
Remarks
The portal triggering the event does not have to be the active portal
The portal must currently be in the list of portals - ArcGIS.Desktop.Core.ArcGISPortalManager.GetPortals
Inheritance Hierarchy

System.Object
   ArcGIS.Core.Events.EventBase
      ArcGIS.Core.Events.CompositePresentationEvent<TPayload>
         ArcGIS.Desktop.Core.Events.PortalSignOnChangedEvent

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

PortalSignOnChangedEvent Members
ArcGIS.Desktop.Core.Events Namespace