Implementing Google Enhanced Ads Tracking code

I just had the strangest interaction with the Google Technical Support Team trying to do the tag implementation for their advertised (compelled?) Enhanced Tracking. They basically showed me some JS script and said I needed to contact Gravity Forms itself in order to find out the “dynamic variables” for phone and emails when a form is submitted. The dynamic variables for phone and email are to replace the dummy values below and, according to them, the JS can be placed in the form itself and in the Thanks page. Anyone solved this riddle? I saw that there’s a recommended plugin but the Google rep said that they couldn’t recommend it’s reliability.

  dataLayer.push({
    'event':'lead_form',
    'enhanced_conversion_data': {
      "email": 'yourEmailVariable'
      "phone_number": yourPhoneVariable
  })

Do you mean the Gravity Forms Analytics Addon?