Zacinam s Ublaboo grid prepojenie cez cudzi kluc

skuste mi pomoct…
v db mam stlpec idForwarderIn namapovany cudzim klucom na tabulku fowarder…ako to previazat v komponente…
pouzivat Nette\Database\Table

public function createComponentRecordGrid1()
   {
   $grid = new DataGrid();
   $grid->setDataSource($this->recordManager->getRecords());
   $grid->addColumnDateTime('shippingDate', 'Dátum prijatia záznamu');

   $grid->addColumnText('idForwarderIn', 'Zaslal kto');

   $grid->addColumnDateTime('dateOfTransmission', 'Zaslal - dátum');
   $grid->addColumnText('fileNumber', 'číslo spisu odosielateľa');
   $grid->addColumnText('subject', 'Vec');
   $grid->addColumnDateTime('dateOfSubmission', 'Dátum odovzdania');
   $grid->addColumnDateTime('implementationDate', 'Dátum vybavenia');

   $grid->addColumnText('idForwarderOut', 'Vybavené dresát');

   $grid->addColumnText('shippingType.name', 'Vybavené - ako');
   $grid->addColumnText('registrationMark.name', 'RZ');
   $grid->addColumnDateTime('disposal', 'Záznam o vyradení');
   return $grid;
   }