Modify an entry note email

gv_modify_notes_email_content.php

<?php
add_filter( 'gravityview/field/notes/email_content', 'gv_modify_notes_email_content', 10, 4 );
function gv_modify_notes_email_content( $email_settings ) {
    extract( $email_settings );
    $email_settings['from'] = $from; //example@gmail.com
    $email_settings['to'] = $to; //example@gmail.com
    $email_settings['bcc'] $bcc; //example@gmail.com 
    $email_settings['reply_to'] = $reply_to; //example@gmail.com
    $email_settings['subject'] = $subject; //subject of the email
    $email_settings['message'] = $message; //body of the email (already in HTML format)
    $email_settings['from_name'] = $from_name; //Example: GravityView Website
    $email_settings['message_format'] = $message_format; //html
    $email_settings['email_footer'] = $email_footer; //The text: This note was sent from {url}
    return $email_settings;
}