MultiField::prepareFmData

private function prepareFmData(array $values): array
{
	$fmData = [];

	foreach ($values as $fmType => $fmValue)
	{
		if (CCrmFieldMulti::IsSupportedType($fmType))
		{
			$value = $fmValue['value'] ?? null;

			if ($value !== null && $value !== '')
			{
				$fmData[$fmType] = $fmValue;
			}
		}
	}

	return $fmData;
}