--- Name: betternavigator After: 'framework/*, cms/*' --- SilverStripe\Admin\LeftAndMain: extra_requirements_javascript: - 'jonom/silverstripe-betternavigator: javascript/BN.LeftAndMain.Preview.js' SilverStripe\CMS\Controllers\ContentController: extensions: - JonoM\BetterNavigator\Extension\BetterNavigatorExtension