CakeSlack

Setting

Config/bootstrap.php

Configure::write('Slack', [
    'token' => 'Your access token', // 'XXXXXXXXX/YYYYYYYYY/zzzzzzzzzzzzzzzzzzzzzzzz'
    'channel' => '#generic',		// default
    'username' => 'cakephp',		// default
    'icon_emoji' => ':ghost:',	// default
]);

How to use

<?php
App::uses('Slack', 'CakeSlack.Lib');

....

Slack::send('Hello from CakePHP!');