To display captcha in a form, follow these steps:

• Register the site with Google to get the Site Key and the Secret Key:
  • Go to https://www.google.com/recaptcha/admin and log in with your Google account
  • Register the site
    • Click on create
    • Enter the following details:
      • Name of the site. Example: www.misitio.com
      • Type of reCAPTCHA: reCAPTCHA v2
      • Add a domain. Example: www.mysite.com
      • Accept the terms of service of reCAPTCHA
      • Click on the SEND button
  • Obtain the Site Key and the Secret Key

 

• In the "Form" block within the "Captcha" group, set the following properties:
  • Activate: Yes
  • Site Key: the value obtained in the previous step
  • Secret Key: the value obtained in the previous step

 

Notes:

1. The captcha will work in the frontend. It won't work in the page designer or in its preview
2. The captcha is displayed after the last field defined for the form and before the Send button