Custom IAction

    public class RaceSortAction : IAction
    {
        private string _alias = "RaceSortAction";

        public string Alias
        {
            get { return _alias; }
        }

        public bool CanBePermissionAssigned
        {
            get { return false; }
        }

        public string Icon
        {
            get { return umbraco.BusinessLogic.Actions.ActionSort.Instance.Icon; }
        }

        public string JsFunctionName
        {
            get
            {
                return "OpenSortWindow();";
            }
        }

        public string JsSource
        {
            get { return "function OpenSortWindow(){ var node = UmbClientMgr.mainTree().getActionNode();UmbClientMgr.openModalWindow('/Umbraco/Dialogs/RaceNodeSort.aspx?id='+ node.nodeId, 'Sort items', true, 350, 380); }"; }
        }

        public char Letter
        {
            get { return '2'; }
        }

        public bool ShowInNotifier
        {
            get { return false; }
        }
    }