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<?php
namespace PhpEws\DataType;
use PhpEws\DataType;
/**
* Identifies to whom external Out of Office (OOF) messages are sent..
*
* @package php-ews\Enumerations
*/
class ExternalAudience extends DataType
{
* E-mail senders outside the mailbox user's organization who send messages
* to the user will receive an external OOF message response..
* @since Exchange 2007
* @var string
const ALL = 'All';
* to the user will only receive an external OOF message response if the
* sender is in the user's Exchange store contact list.
const KNOWN = 'Known';
* to the user will not receive an external OOF message response.
const NONE = 'None';
* Element value.
public $_;
* Returns the value of this object as a string.
* @return string
public function __toString()
return $this->_;
}