Custom Filter

HomeController.cs

public class HomeController : Controller
{
    [Log]
    public ActionResult Index()
    {
        var controller = RouteData.Values["controller"];
        var action = RouteData.Values["action"];
        var id = RouteData.Values["id"];

        var message = $"{controller}::{action} {id}";
        ViewBag.Message = message;
        return View();
    }
}

LogAttribute

public class LogAttribute : ActionFilterAttribute
{
    public override void OnActionExecuting(ActionExecutingContext filterContext)
    {
        base.OnActionExecuting(filterContext);
    }
    public override void OnActionExecuted(ActionExecutedContext filterContext)
    {
        base.OnActionExecuted(filterContext);
    }
    public override void OnResultExecuting(ResultExecutingContext filterContext)
    {
        base.OnResultExecuting(filterContext);
    }
    public override void OnResultExecuted(ResultExecutedContext filterContext)
    {
        base.OnResultExecuted(filterContext);
    }
}