gistfile1.js

var group1 = new KiiGroup.groupWithName("MyGroup");
group1.save({
    success: function(savedGroup) {
        // uri of the group.
        var uri = savedGroup.objectURI();
        // create another instance of group references group1
        var group2 = new KiiGroup.groupWithURI(uri);
        group2.refresh({
            success: function(refreshedGroup) {
                var groupName = refreshedGroup.getName();
                // Do something with the reference.
            },

            failure: function(group, error) {
                // handle error
            }
        });
    },

    failure: function(group, error) {
        // handle error
    }
});