Fetch data
The Google Sheets integration uses the Attlaz Services Api
$command = new \Attlaz\Model\Service\ServiceCommand();
$command->service = 'googlesheets';
$command->command = 'getsheetsvalues';
$command->addArgument('connectionId', '<ConnectionId>');
$command->addArgument('spreadsheetId', '<SpreadsheetId>');
$command->addArgument('range', '<TabName>');
$rows = $this->attlazClient->getServiceEndpoint()->sendCommand($command);