.NET client with cookie authentication

Can you please provide an example? Your information here is extremely light as it relates to this. You don't even give an example of how to call .WithUrl and provide the cookie token let alone the entire "API" that is necessary to manage the authentication.

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#### Document Details

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* ID: d0da2144-3730-f8ef-1d16-a89f11fd6198
* Version Independent ID: 6d8f5bc8-8f5c-ba13-b7f2-0366eac46f81
* Content: [Authentication and authorization in ASP.NET Core SignalR](https://docs.microsoft.com/en-us/aspnet/core/signalr/authn-and-authz?view=aspnetcore-2.2)
* Content Source: [aspnetcore/signalr/authn-and-authz.md](https://github.com/aspnet/Docs/blob/master/aspnetcore/signalr/authn-and-authz.md)
* Product: **aspnet-core**
* GitHub Login: @bradygaster
* Microsoft Alias: **bradyg**