public function subscribeform($listID) {

        if (!$this->subscribeToList->getListByID($listID)) {
            return view('lasallecrmlistmanagement::subscribe-unsubscribe-list.list_invalid', [
                'title'        => 'Invalid List',
            ]);
        }

        return view('lasallecrmlistmanagement::subscribe-unsubscribe-list.subscribe_form', [
            'title'            => 'List Sign-up',
            'email_field_only' => Config::get('lasallecrmlistmanagement.listmgmt_subscribe_form_email_field_only'),
            'list'             => $this->subscribeToList->getListnameByListId($listID),
            'listID'           => $listID,
        ]);
    }