email filter for fluent form

fluent-form-email-filter.php

//app\Services\FormBuilder\Notifications\EmailNotification.php
$emailBody = apply_filters('fluentform_email_body', $emailBody, $notification, $submittedData, $form);
$subject = apply_filters('fluentform_email_subject', $notification['subject'], $notification, $submittedData, $form);
$emailTo = apply_filters('fluentform_email_to', $notification['sendTo']['email'], $notification, $submittedData, $form);

return wp_mail(
    $emailTo,
    $subject,
    $emailBody,
    $headers,
    $attachments
);