The contact-form-7 wpcf7 additional mail hook.
Published Date - July 22, 2023
$additional_mail = apply_filters( 'wpcf7_additional_mail',
$additional_mail, $contact_form
);
$additional_mail
$contact_form
The following example is for adding a hook callback.
// define the wpcf7_additional_mail callback
function custom_wpcf7_additional_mail( $additional_mail, $contact_form ){
//custom code here
return $additional_mail
}
//add the action
add_filter('wpcf7_additional_mail', 'custom_wpcf7_additional_mail', 10, 2)
The filter is defined in the following location(s).
contact-form-7/includes/submission.php
$additional_mail = apply_filters( 'wpcf7_additional_mail',
$additional_mail, $contact_form
);