ULTIMATE Dependent Dropdowns in Google Sheets with CUSTOM Option! 🎯

In this video, we dive deep into creating the ULTIMATE dependent dropdowns in Google Sheets—completely from scratch using Apps Script! Learn how to build flexible dropdown lists that pull data from a source sheet, update dynamically, and even include a powerful 'Custom' option that lets you clear validation and type anything you want. Perfect for anyone needing more control and flexibility over their data validation workflows. We cover: - Setting up source data - Creating the first dropdown with code - Building dependent dropdowns that react to the first selection - Adding a 'Custom' option to let users enter any value - Best practices for Apps Script data validation This method is ideal for advanced Google Sheets users and anyone looking to automate dropdown creation and management. ➤You can find the template from this video in my patreon page, where you´ll also have priority responses to your questions https://practicalsheets.com/patreon You can also join my academy practicalsheets.com, where you´ll find, not only the templates for this and all the videos, but also Google Sheets Courses, technical service, and more ➤You can also subscribe to the channel where you´ll find a new Sheets video every week. Here are some of the places where you can follow and support me: ➤Patreon: https://practicalsheets.com/patreon ➤Webpage: https://practicalsheets.com ➤Newsletter: https://practicalsheets.com/newsletter ➤Telegram: https://practicalsheets.com/telegram ➤Facebook: https://practicalsheets.com/facebook ➤Twitter: https://practicalsheets.com/twitter Any suggestion, question or insights, feel free to comment below