A "reminder feature" is a tool or function that helps you remember something important. It can send you notifications at specific times or dates to remind you to do a task or remember an event. Full definition
This management software also helps lawyers ensure that their clients as well as themselves, never miss another deadline through the email & SMS reminder feature. (practicepanther.com)
The self - explanatory reminder feature allows users to set notes to keep track of various tasks and device functions. (ibtimes.com)
Today Google Calendar for both Android and iOS gains a handy new Reminders feature that works alongside the app's to - dos feature. (9to5google.com)