You may want to upload text messages from an excel sheet. Then, when someone subscribes to a group (for example, Diabetes), they receive 1 text per day (educational) in the order which is in the excel sheet.
Previously this feature was offered by OffDayTrainer which is completely disabled now. If you want this feature considered for reimplementation, you can contact support providing your business case and requested feature details.
Elevate this to the Product team with the provided information.