/**
* Send invoice through mail (via BB API).
*
* @param $contactPersonId
* @param $emailSubject
* @param $emailBody
* @return object result information (only if successful)
* @throws BbException if the invoice has not been saved
*/
public function mail($contactPersonId, $emailSubject, $emailBody)
{
if (!$this->id) {
throw new BbException('The invoice cannot be mailed, because it has not been saved.');
}
$data = array('email' => array('contactPersonId' => $contactPersonId, 'emailSubject' => $emailSubject, 'emailBody' => $emailBody));
return parent::request('POST', 'v2/invoices/' . $this->id . '/emails', $this->accessToken, (object) $data);
}
