Example how to get submission data in 'caldera_forms_autoresponse_mail' filter hook.

cf-autoresponse-submission-data.php

<?php
/**
 * Filter the email sent via the autoresponse processor
 */
add_filter( 'caldera_forms_autoresponse_mail', function( $email_message, $config, $form, $entry_id){
  
	$entry = Caldera_Forms::get_entry($entry_id,$form);
  
	return $email_message;
}, 10, 4 );