PropertyValue::checkFieldsModify

public function checkFieldsModify($fields)
{
	$r = new Result();

	$emptyFields = [];
	if(!isset($fields['ORDER']['ID']))
	{
		$emptyFields[] = '[order][id]';
	}
	if(!isset($fields['ORDER']['PROPERTY_VALUES']) || !is_array($fields['ORDER']['PROPERTY_VALUES']))
	{
		$emptyFields[] = '[order][propertyValues][]';
	}

	if(count($emptyFields)>0)
	{
		$r->addError(new Error('Required fields: '.implode(', ', $emptyFields)));
	}
	else
	{
		$r = parent::checkFieldsModify($fields);
	}

	return $r;
}