<html xmlns:f="http://typo3.org/ns/TYPO3/Fluid/ViewHelpers" data-namespace-typo3-fluid="true"> <f:render section="Header" arguments="{_all}" optional="1"> {f:render(partial: 'Header', arguments: { uid: data.uid, layout: headerLayout, header: data.header })} </f:render> {f:render(section: 'Content', arguments: _all)} </html>