code: protected function isInputScreenStandalone($metaModel)
      {
          $information = $this->information[$metaModel];
          $inputScreen = isset($information[self::INPUTSCREEN]) ? $information[self::INPUTSCREEN] : null;
          if (!is_object($inputScreen)) {
              return ($inputScreen['row']['rendertype'] == 'standalone');
          }
  
          /** @var IInputScreen $inputScreen */
          return $inputScreen->isStandalone();
      }
docs: Check if the input screen for a MetaModel is stand alone.
  
  @param string $metaModel The name of the MetaModel.
  
  @return bool