library/core/class.email.php
public function Cc($RecipientEmail, $RecipientName = '') {
      ob_start();
      $this->PhpMailer->AddCC($RecipientEmail, $RecipientName);
      ob_end_clean();
      return $this;
   }
public function Cc($RecipientEmail, $RecipientName = '') {
      ob_start();
      $this->PhpMailer->AddCC($RecipientEmail, $RecipientName);
      ob_end_clean();
      return $this;
   }
public function Cc ( $ RecipientEmail , $ RecipientName = '' ) { ob_start ( ) ; $ this -> PhpMailer -> AddCC ( $ RecipientEmail , $ RecipientName ) ; ob_end_clean ( ) ; return $ this ; }
Adds to the "Cc" recipient collection.

@param mixed $RecipientEmail An email (or array of emails) to add to the "Cc" recipient collection.
@param string $RecipientName The recipient name associated with $RecipientEmail. If $RecipientEmail is
an array of email addresses, this value will be ignored.
@return Email
Adds to the Cc recipient collection .