ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Core Namespace / ArcGISPortalManager Class / GetPortals Method
Example Version

GetPortals Method
Get the enumeration of portals. This list correlates with the list of portals on the "Portals" tab on the Pro backstage.
Syntax
public IEnumerable<ArcGISPortal> GetPortals()

Return Value

An IEnumerable of ArcGISPortal
Example
ArcGISPortalManager: Get a list of all your Portals
var portals = ArcGISPortalManager.Current.GetPortals();
//Make a list of all the Uris
var portalUris = portals.Select(p => p.PortalUri.ToString()).ToList();
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also