SystemInformationToolbarCollectorEvent¶ An event to enrich the system information toolbar in the TYPO3 Backend top toolbar with various information. API¶ class \TYPO3\CMS\Backend\Backend\Event\ SystemInformationToolbarCollectorEvent¶ An event to enrich the system information toolbar in the TYPO3 Backend top toolbar with various information getToolbarItem ( ) ¶ returntype TYPO3\CMS\Backend\Backend\ToolbarItems\SystemInformationToolbarItem