CKEDITOR.dialog.add('tokentags', function (editor) {
    return {
        title: 'Select Token',
        minWidth: 200,
        minHeight: 100,
        contents: [
                    {
                        id: 'Token',
                        expand: true,
                        elements: [
                            {
                                id: 'token',
                                type: 'select',
                                label: 'Token',
                                items: [
                                    ["Header1", "Header1"],
                                    ["Header2", "Header2"],
                                    ["Main", "Main"],
                                    ["Subject", "Subject"],
                                    ["SubTitle", "SubTitle"]
                                ],
                                setup: function (widget) {
                                    this.setValue(widget.data.token);
                                },
                                commit: function (widget) {
                                    widget.setData('token', this.getValue());
                                }
                            },
                        ]
                    }
        ]
    };
});