Send email on blocked user

if ($e->name == 'OnWUsrFormSave') {
  $wasBlocked = $_POST['blockedmode'];
  $blocked = $_POST['blocked'];
  if ($wasBlocked > $blocked) {
    $modx->logEvent(1,3,"$p", 'OnWUsrFormSave - Send Email');
    $link = $this->config['site_url'].'index.php?id=281';  
    $message = $modx->getChunk('RegisteredEmail');
    $message = str_replace("[+name+]", $_POST['fullname'], $message);
    $message = str_replace("[+group+]", $_POST['group'], $message);
    $message = str_replace("[+link+]", $link, $message);
    
    $to = $_POST['email'];
    $subject = "$site_name Website registration";
    $sender = $modx->config['emailsender'];
    
        include_once  $modx->config['filemanager_path'].'manager/includes/controls/class.phpmailer.php';
        $mail = new PHPMailer();
        $mail->IsMail();
        $mail->IsHTML(true);
        $mail->From         = $sender;
        $mail->FromName = $modx->config['site_name'];
        $mail->Subject  = $subject;
        $mail->Body     = $message;
        $mail->AddAddress($to);
        $mail->send(); 
   
    $modx->logEvent(1,3,"$to, $subject, $message, $sender", "Email");
  } 
}

   $wasBlocked = $_POST['blockedmode'];
  $blocked = $_POST['blocked'];
  if ($wasBlocked > $blocked) {

<input type="hidden" id="ext-gen184" value="0" name="blocked">
<input type="checkbox" autocomplete="off" id="modx-user-blocked" name="blocked" class=" x-form-checkbox x-form-field" value="1">

<input type="hidden" id="ext-gen184" value="1" name="">
<input type="checkbox" autocomplete="off" id="modx-user-blocked" name="blocked" class=" x-form-checkbox x-form-field" value="1" checked="">

$profile = $modx->user->getOne('Profile');
echo $profile ? $profile->get('blocked') : '';

<?php
	// get the user's id from the form post
	$uid = $_POST['id'];
	
	// get/set the user's profile obj
	$user = $modx->getObject('modUser',$uid);
	$profile = $user->getOne('Profile');
	
	// get some profile information
	$email = $profile->get('email');
     $fullname = $profile->get('fullname');
	$isBlocked = $profile->get('blocked');
	
	// get some system settings
	$mailFrom = $modx->getObject('modSystemSetting', 'registration_reply_email');
	$replyTo = $modx->getObject('modSystemSetting', 'emailNoReply');
	
	// set some defaults
	$mailFromName = 'Oncologyeducation.com Registration';
	$message = '';
	$mailChunk = '';



	// set unblock message chunk & subject only if user is  
	// currently blocked and form post unblocks the user
	if (($isBlocked == 1) && ($_POST['blocked'] == 0)){
		$mailChunk = 'userUnBlocked';
		$subject = 'You have been unblocked';
	}
	
	// set block message chunk & subject only if user is  
	// currently NOT blocked and form post blocks the user
	if ($isBlocked == 0 && ($_POST['blocked'] == 1)){
		$mailChunk = 'UserBlocked';
		$subject = 'You have been blocked';
	}

	
	// send mail if there is a chunk defined
	if ($mailChunk != ''){

		$modx->setPlaceholder('fullname',$profile->get('email'));
		$modx->setPlaceholder('email',$profile->get('fullname'));
		$placeHolders = array('fullname' => $fullname, 'email' => $email);
		$message .= $modx->parseChunk($mailChunk, $placeHolders, '[[+', '+]]');
				
		$modx->getService('mail', 'mail.modPHPMailer');
		$modx->mail->set(modMail::MAIL_BODY,$message);
		$modx->mail->set(modMail::MAIL_FROM,$mailFrom);
		$modx->mail->set(modMail::MAIL_FROM_NAME,$mailFromName);
		$modx->mail->set(modMail::MAIL_SENDER,$mailFrom);
		$modx->mail->set(modMail::MAIL_SUBJECT,$subject);
		$modx->mail->address('to',$email);
		$modx->mail->address('reply-to',$replyTo);
		$modx->mail->setHTML(true);
		
		if (!$modx->mail->send()) {
		    $modx->log(modX::LOG_LEVEL_ERROR,'An error occurred while trying to send the email: '.$err);
		}
		
		$modx->mail->reset();
	
	}