API_13.RequestActionFilterAttribute.OnActionExecuting C# (CSharp) Method

        public override void OnActionExecuting(System.Web.Http.Controllers.HttpActionContext actionContext)
        {
            //AuthorizationFilterAttribute
            //AuthorizeAttribute

            // OverrideActionFiltersAttribute
            HttpRequestMessageHelper.Add(actionContext.Request, new FilterModel(this.GetType(),GetFilterScope(actionContext.ActionDescriptor)));
        }