![add a none of the above field in gravity forms](https://gravitywiz.com/app/uploads/2023/05/None-of-The-Above-Field.png)
How to Add a “None of the Above” option to your Checkbox Field
Learn how to create a “None of the Above” checkbox. When “None of the Above” is selected, all other options are disabled. When any other option is selected, “None of the Above” is disabled.
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Gravity Wiz Weekly #187
See why Google Sheets Beta 2 is going to blow your wizardly socks off. Plus, updates to QR Code, Populate Anything, and Advanced Phone Field, and a handful of fresh snippets to boot!
![chris odell's gravity forms referral and rewards program](https://gravitywiz.com/app/uploads/2023/05/spotlight-gppa-referral-programs-chris-odell.png)
Spotlight: Populate Anything & Unique ID for Automated Referral Programs
Power tip! Chris Odell built an automated referral and rewards program with the help of Populate Anything and Unique ID. We explore how it works, step by step.
![how to build a simple job board using gravity forms](https://gravitywiz.com/app/uploads/2023/04/build-simple-job-board-gravity-forms.png)
How to Build a Simple Job Board with Gravity Forms
Learn how to build a job board using Gravity Forms and more efficiently manage the application process, display and filter job listings, and customize applicant follow-up.
![gravity wiz weekly](https://gravitywiz.com/app/uploads/2018/02/gwiz-social-weekly.png)
Gravity Wiz Weekly #186
A feast of new features for Entry Blocks. Accessibility updates for Populate Anything. And a handful of fresh snippets for dessert.
![wordtap populate anything spotlight](https://gravitywiz.com/app/uploads/2023/03/Portrait-Spotlight-1.png)
Spotlight: Gamifying Language Learning with WordTap and Populate Anything
See how WordTap uses Gravity Forms Populate Anything to help customers create and share games that make learning new languages… fun!?
![populate simply schedule appointments data in gravity forms](https://gravitywiz.com/app/uploads/2023/03/SSA-Gravity-Forms-Guide.png)
How to populate Simply Schedule Appointments data anywhere in Gravity Forms
In one of our first collaborative guest posts *ever,* we explore dynamically populating Simply Schedule Appointments data anywhere in Gravity Forms for powerful personalization and automation.
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How to Filter Checkboxes by Checkboxes using Dynamic Population
Use Checkbox selections to filter other Checkboxes on your form. Example: turn a customer’s selection of yoga class times into that customer’s preferred times.
![gravity wiz weekly](https://gravitywiz.com/app/uploads/2018/02/gwiz-social-weekly.png)
Gravity Wiz Weekly #178
Explore power features with us, create an internal payroll tool using Entry Blocks, and updates to File Renamer, Populate Anything, QR Code, Live Preview, and others. Suite dreams are made of these.
![](https://gravitywiz.com/app/uploads/2022/11/gwiz-article-title-card-969020.png)
How to Filter One Field By Another and Create Gravity Forms Chained Selects
Learn how to use Populate Anything to create your own chained selects and filter large amounts of dynamic data in your forms.
![](https://gravitywiz.com/app/uploads/2022/06/gwiz-article-title-card-849710.png)
Gravity Forms Email Validation: Check Emails Live Prior to Submission
Use this guide to learn how to validate a Gravity Forms Email field live before needing to click submit.
![](https://gravitywiz.com/app/uploads/2022/06/Spotlight-Template-5.png)
Spotlight: Netalys’ Salt Consumption Calculator
A behind-the-scenes look at how Netalys built a daily salt consumption calculator using Nested Forms and Populate Anything.
![gravity wiz weekly](https://gravitywiz.com/app/uploads/2018/02/gwiz-social-weekly.png)
Gravity Wiz Weekly #148
Notification (Re)Scheduler 1.2, send spam where it belongs, and Populate Anything’s automation alchemy.
![verify9 populate anything](https://gravitywiz.com/app/uploads/2022/05/Verifyi9-Spotlight.png)
Populate Anything’s Automation Alchemy
See how Verifyi9 uses Populate Anything and Google Sheets to automate dozens of emails on a daily basis.
![](https://gravitywiz.com/app/uploads/2022/04/gwiz-article-title-card-829189.png)
Gravity Forms Zip Code Validation: A Step By Step Guide
Learn how to use conditional logic to validate a customer’s postal code before they submit their order.