aspnetcore/test/WebSites/HtmlGenerationWebSite/Models/Customer.cs

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

namespace HtmlGenerationWebSite.Models
{
    public class Customer : Person
    {
        public string Key
        {
            get;
            set;
        }
    }
}