public function withRedirectUrls($redirects)
    {
        if (isset($redirects['success'])) {
            $this->returnUrlSuccess = $redirects['success'];
        }

        if (isset($redirects['cancel'])) {
            $this->returnUrlCancel = $redirects['cancel'];
        }

        if (isset($redirects['back'])) {
            $this->returnUrlBack = $redirects['back'];
        }

        return $this;
    }