Typo3 8: “save and preview” backend button for custom model
It’s kinda easy: TCEMAIN.preview { tx_ophi_domain_model_entry { # Available with latest 8.7+ only useCacheHash = 1 previewPageId = 22 useDefaultLanguageRecord = 0 fieldToParameterMap { uid = tx_ophi_entry[entry] } additionalGetParameters { tx_ophi_entry.controller = Entry tx_ophi_entry.action = show } } }