Neos\FluidAdaptor\ViewHelpers\RenderChildrenViewHelper::getWidgetContext PHP Метод

    protected function getWidgetContext()
    {
        $request = $this->controllerContext->getRequest();
        /** @var $widgetContext WidgetContext */
        $widgetContext = $request->getInternalArgument('__widgetContext');
        if ($widgetContext === null) {
            throw new WidgetContextNotFoundException('The Request does not contain a widget context! <f:renderChildren> must be called inside a Widget Template.', 1284986120);
        }
        return $widgetContext;
    }