page/client/page/pageServices.js
function (page) {
            var parents = scope.tree.pathToIdArray(page.path);
            return parents[ parents.length - 1 ];
        }
function (page) {
            var parents = scope.tree.pathToIdArray(page.path);
            return parents[ parents.length - 1 ];
        }
Get a page object by parent id *