/**
* Add a carbon copy to the message.
*
* @param string|array $address
* @param string $name
* @param array $variables
*
* @return \Bogardo\Mailgun\Mail\Message
*/
public function cc($address, $name = "", array $variables = [])
{
if (!empty($variables)) {
$this->variables[$address] = $variables;
}
$this->messageBuilder->addCcRecipient($address, ['full_name' => $name]);
return $this;
}