Adding a Pop-up or Lightbox form to a Beaver Builder button (See update)

Update: please see this free plugin that works directly with Beaver Builder https://wordpress.org/plugins/wpd-beaver-popups/ It is what I use now. How to add two 2 step optin forms to Beaver Builder using the free Popup Maker plugin. Update: This free plugin was released and it perfect for pop-ups with Beaver Builder. https://wordpress.org/plugins/wpd-beaver-popups/ Links: https://davidwaumsley.com/ (me) https://wordpress.org/plugins/popup-maker/ http://dynamikbeaver.com/ https://www.wpbeaverbuilder.com/knowledge-base/shortcodes/ https://www.wpbeaverbuilder.com/build-your-email-lists-with-beaver-builders-new-subscribe-form-module/ http://www.smartpassiveincome.com/podcasts/rapid-list-building/ https://vimeo.com/161210935