Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using rmp;

namespace mywebsite
{
   public class Startup
   {

      /*
      --------------------------------------------------

      This method gets called by the runtime. Use this 
      method to add services to the container. For more 
      information on how to configure your application, 
      visit https://go.microsoft.com/fwlink/?LinkID=398940

      --------------------------------------------------
      */
      public void ConfigureServices( IServiceCollection services )
      {

         // Add routemap pages (rmp) service ...

         services.add_rmp();

      }


      /*
      --------------------------------------------------

      This method gets called by the runtime.  Use this 
      method to configure the HTTP request pipeline.

      --------------------------------------------------
      */
      public void Configure( IApplicationBuilder app, IWebHostEnvironment env )
      {

         if ( env.IsDevelopment() )
         {

            app.UseDeveloperExceptionPage();

         }


         app.UseRouting();

         // Use routemap pages ...

         app.use_rmp();

      }

   }

}