Whatsapp button

Hi, I am modifying the listing template with Elementor and I want to add a button that has a direct link to the Whatsapp number that the client puts in the form to add a listing.

I want to use Elementor’s dynamic content to make a button that links to the Whatsapp number of each client and extract it from a field of the add listing form dynamically.

Any help would be great.

Thanks