Do you know any of these modules or similar ones?
Pre-order and Waiting List
https://addons.prestashop.com/en/re...5224-pre-order-and-waiting-list.html#overview
Pre Order & Waiting List Notification
https://addons.prestashop.com/en/re...waiting-list-notification.html#specifications
Pre-order and Waiting List
https://addons.prestashop.com/en/re...5224-pre-order-and-waiting-list.html#overview
Pre Order & Waiting List Notification
https://addons.prestashop.com/en/re...waiting-list-notification.html#specifications