You can add any third party script code, for example: Facebook Pixels, Google Tag Manager, etc. To add code, go to “General Settings > Page Settings” . This code will be added inside the </head> tag
Get the app embed code at https://getbutton.io .
select which whatsapp icon, enter your phone number
Customize the button according to your needs.
enter email and get button code
Now add the button code in the third party script code. in the administration panel “General settings > third-party script”