MemberOne::getValue

public function getValue($key, $item, array $parameters = array())
{
	/** @var BitrixTasksItemTaskCollectionMember $memberCollection */
	$memberCollection = $item['SE_MEMBER'];
	$member = $memberCollection->findOne(array('=TYPE' => $this->type));

	return $this->createValue($member ? $member['USER_ID'] : null, $key, $item);
}