Data share between controllersin angular js 1

SApp.factory('commonservice', function ($http) {
    var loginuserDetails = {} ;

    var addItemFunction =  function(item) {
          loginuserDetails = item;
    };
    var getListFunction =  function() {
        return loginuserDetails;
    };

      return {
        post: function (dataObj, serviceMethod) {
           return $http.post(serviceUrl + '/' + serviceMethod, dataObj);
          },
        addItem: addItemFunction,
        getList: getListFunction    

    }
});
 commonservice.addItem($scope.LoginDetailsModel);when accessing it
$scope.LoginDetailsModel = commonservice.getList();