public function sendEmail($dest, $subject, $html, $text)
    {
        $mail = [
            'Destination'           => $this->buildDestination($dest),
            //'FromArn' => '<string>',
            'Message' => [ // REQUIRED
                'Body' => [ // REQUIRED
                    'Html' => ['Charset' => $this->charset,'Data' => $html],
                    'Text' => ['Charset' => $this->charset,'Data' => $text],
                ],
                'Subject' => ['Charset' => $this->charset,'Data' => $subject],
            ],
            //'ReplyToAddresses' => [],
            //'ReturnPath' => '',
            //'ReturnPathArn' => '<string>',
            'Source'                => $this->from, // REQUIRED
            //'SourceArn' => '<string>',
        ];
        
        if ($this->tags)
            $mail['Tags'] = $this->buildTags();
            
        return $this->invokeMethod("sendEmail", $mail, true);
        
    }