SugarCRM - Email w/ Attachment in Code

EmailExample.php

<?php

require_once('modules/Emails/Email.php');
require_once('include/SugarPHPMailer.php');
$emailObj   = new Email();
$mail       = new SugarPHPMailer();

// Create an id for the email
$emailObj->id          = create_guid();
$emailObj->new_with_id = true;
$emailObj->parent_type = 'Accounts';
$emailObj->parent_id   = $account['id'];
$emailObj->status      = 'whatever';
$emailObj->assigned_user_id = $user->id;

// Clear recipients
$mail->ClearAllRecipients();
$mail->ClearReplyTos();

// Get the email addresses and names
$currentUser_email    = $user->email1;
$currentUser_name     = $user->first_name.' '.$user->last_name;
$currentAccount_email = $account['email1'];
$currentAccount_name  = $account['name'];

// Set the different fields for the attachments
$file_name  = $docRevision->filename;
$location   = getcwd()."/upload/{$docRevision->id}";
$mime_type  = $docRevision->file_mime_type;

// Add attachment to email
$mail->AddAttachment($location, $file_name, 'base64', $mime_type);

// load email template
$template = BeanFactory::getBean('EmailTemplates', '534bcab4-fc6e-6d04-8831-5543bd2a9e0f');

// Set the typical fields in the email
$mail->From     = $currentUser_email;
$mail->FromName = $currentUser_name;
$mail->Subject  = $template->subject;
$mail->Body     = from_html($template->body);

$mail->AddAddress($currentAccount_email, $currentAccount_name);
$mail->IsHTML( true );

$emailObj->save();

$mail->prepForOutbound();
$mail->setMailerForSystem();
$mail->send();