ArcGIS Pro 2.6 API Reference Guide
ArcGISSignOn Class
Members 

ArcGIS.Core.SystemCore Namespace : ArcGISSignOn Class
For use with CoreHost applications that need to authenticate with portal or arcgis online.
Object Model
ArcGISSignOn ClassIArcGISSignOn Interface
Syntax
public class ArcGISSignOn : IArcGISSignOn  
Public Class ArcGISSignOn 
   Implements IArcGISSignOn 
Remarks
Use this class to provide credentials to connect to federated services within CoreHost applications. Attempting to use this class within an Addin will throw a System.InvalidOperationException
Inheritance Hierarchy

System.Object
   ArcGIS.Core.SystemCore.ArcGISSignOn

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

ArcGISSignOn Members
ArcGIS.Core.SystemCore Namespace