Ever wondered how you would automate tasks in Google Workspace without using a tool developed by an external entity? Google has your back. In this article, we will see how one can send emails on a schedule. As an example, I have used an annual event. A birthday reminder script, if you will.

A simple example but for those just starting out in Google Apps Script a nice example of using time-based triggers.

Source: Sending emails on a schedule with Google Apps Script