<PackageReference Include="Microsoft.Identity.Client" Version="4.84.1" />

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.
public static bool IsBrokerResponse(string sourceApplication)

Returns if the response is from the broker app. See https://aka.ms/msal-net-ios-13-broker for more details.

Sets response for continuing authentication flow. This function will return true if the response was meant for MSAL, else it will return false.

public static void SetBrokerContinuationEventArgs(NSUrl url)

Sets broker response for continuing authentication flow.