RelatedTask::formatSet

static function formatSet(array &$data)
{
	$from = static::getLegacyFieldName();
	$to = static::getCode(true);

	if(static::getIsMultiple())
	{
		$items = BitrixTasksUtilType::normalizeArray($data[$from]);
		foreach($items as $item)
		{
			$data[$to][] = array('ID' => intval($item));
		}
	}
	else
	{
		$data[$to] = array('ID' => intval($data[$from]));
	}
}