FileUploader::saveFile

protected function saveFile(Field $field, array $fileData): ?int
{
	$fileData['MODULE_ID'] = 'crm';

	$fileId = $this->cfile::SaveFile($fileData, 'crm');

	if (is_numeric($fileId) && (int)$fileId > 0)
	{
		$fileId = (int)$fileId;

		$this->registerFileId($field, $fileId);

		return $fileId;
	}

	return null;
}