https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.builder.maprouteroutebuilderextensions.maproute?view=aspnetcore-6.0
MapRouteRouteBuilderExtensions.MapRoute Method (Microsoft.AspNetCore.Builder) | Microsoft Learn
Adds a route to the IRouteBuilder with the specified name and template.
methodmicrosoftaspnetcorebuilderlearn