https://developers.arcgis.com/qt/cpp/api-reference/esri-arcgisruntime-authentication-arcgisauthenticationchallenge-members.html
List of All Members for ArcGISAuthenticationChallenge | ArcGIS Maps SDK for Qt | Esri Developer
list of all members
https://developers.arcgis.com/flutter/api-reference/reference/arcgis_maps/ArcGISAuthenticationChallenge/error.html
error property - ArcGISAuthenticationChallenge class - arcgis_maps library - Dart API
API docs for the error property from the ArcGISAuthenticationChallenge class, for the Dart programming language.
maps libraryerrorpropertyclassarcgis