A "Send to Email" field in your locator allows your users to deliver location details to their own email address.
To add a "Send to Email" link to your interface, first add it to the Results as shown below:
It will appear by default in the results Body container.
Clicking the resulting link will present an input dialog for the user to enter their email address.
The content of the email delivered to the end user can be controlled by modifying the template associated with the Send to Email link:
That content is built with a Twig Template.