Add Custom Menu - Google Sheets User Interface (UI) Apps Script Series Part 1

Learn how to create & add custom menus to Google Sheets user interface using Apps Script. In this tutorial we'll create custom menus & submenus and assign functions to them. This tutorial is Part 1 from Google Sheets User Interface (UI) Apps Script Series. https://www.youtube.com/playlist?list=PLv9Pf9aNgemuFhgkFcecqS4cd3LnUyV4t #googlesheets #userinterface #menu