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
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Get the app embed code at https://getbutton.io .
select which whatsapp icon, enter your phone number
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Customize the button according to your needs.
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enter email and get button code
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Now add the button code in the third party script code. in the administration panel “General settings > third-party script”