Alert for current user

SPAlert alert = SPContext.Current.Web.CurrentUser.Alerts.Add();

alert.AlertType = SPAlertType.List;

alert.Title = "Alerte Créée par Code";

alert.List = SPContext.Current.Web.Lists["liste test"];

alert.Status = SPAlertStatus.Off;

alert.AlertFrequency = SPAlertFrequency.Daily;

alert.EventType = SPEventType.Add;

alert.Update();