Neos\FluidAdaptor\ViewHelpers\Form\AbstractFormFieldViewHelper::getLastSubmittedFormData PHP Method

    protected function getLastSubmittedFormData()
    {
        $submittedArguments = $this->getRequest()->getInternalArgument('__submittedArguments');
        if ($submittedArguments === null) {
            return;
        }
        return ObjectAccess::getPropertyPath($submittedArguments, $this->getPropertyPath());
    }