<PackageReference Include="Microsoft.Identity.Client" Version="4.86.1" />

Microsoft.Identity.Client.AuthenticationContinuationHelper

public static class AuthenticationContinuationHelper
Static class that consumes the response from the Authentication flow and continues token acquisition. This class should be called in ApplicationDelegate whenever app loads/reloads.
namespace Microsoft.Identity.Client { public static class AuthenticationContinuationHelper { public static bool SetAuthenticationContinuationEventArgs(NSUrl url); public static bool IsBrokerResponse(string sourceApplication); public static void SetBrokerContinuationEventArgs(NSUrl url); } }