If you would like to get your customers to opt-in before sending review requests then you can follow the below steps:
  1. Go to the get more reviews link in the top navigation
  2. Click on request reviews link (left sidebar)
  3. Click edit on the campaign
  4. Go to the opt-in tab
  5. Click the view opt-in form button
  6. This will open a new tab with your opt-in form, you can use this URL to send to your customers or team

Note: The opt-in form can be used by customers or employees to opt-in to receive review requests. You can optionally enable authentication and adjust the form to your liking.