ServiceForm::getAdditionalValues

protected function getAdditionalValues(array $values, array $descriptions = []): array
{
	$result = parent::getAdditionalValues($values, $descriptions);

	$result[static::GRID_SIGNED_PARAMETERS_NAME] = $this->getVariationGridSignedParameters();
	unset($result['VARIATION_GRID_SIGNED_PARAMETERS']);

	return $result;
}