AcmePhp\Cli\Monitoring\SlackHandlerBuilder::createHandler PHP Method

    public function createHandler($config)
    {
        if (!isset($config['token'])) {
            throw new AcmeCliException('The Slack token (key "token") is required in the slack monitoring alert handler.');
        }
        if (!isset($config['channel'])) {
            throw new AcmeCliException('The Slack channel (key "channel") is required in the slack monitoring alert handler.');
        }
        $config = array_merge(self::$defaults, $config);
        $handler = new SlackHandler($config['token'], '#' . ltrim($config['channel'], '#'), $config['username'], true, null, Logger::DEBUG);
        return new FingersCrossedHandler($handler, $config['level']);
    }