Example PageTs config for preview url's

PageTs.typoscript

TCEMAIN.preview {
        tx_news_domain_model_news {
                previewPageId = 7
                useCacheHash = 1
                useDefaultLanguageRecord = 0
                fieldToParameterMap {
                        uid = tx_news_pi1[news_preview]
                }
                additionalGetParameters {
                        tx_news_pi1.controller = News
                        tx_news_pi1.action = detail
                }
        }
        tx_cal_event {
                previewPageId = 8
                useCacheHash = 1
                useDefaultLanguageRecord = 0
                fieldToParameterMap {
                        uid = tx_cal_controller[uid]
                }
                additionalGetParameters {
                        tx_cal_controller.view = event
                }
        }
}