Tableau Support Levels ======================= The following tables show the levels of the support classes: “`php addSupportClass($supported->getSupportClass()); $document = $this->getDocument(); $support->addSupport(new \WcfSupport\Support\DocumentInterface($document, $document)); $file = new \Xhr::getFile($document); $document->load($file); $options = $document->load(); ?> ### Introduction This article describes how to use the following support classes: