       <input name="externalUrl"
                                   type="url"
                                   th:field="*{externalUrl}"
                                   autocomplete="off"
                                   spellcheck="false"
                                   autocapitalize="off"
                                   required/>
                        </div>
                        <p class="alert alert-error" th:if="${#fields.hasErrors('externalUrl')}" th:errors="*{externalUrl}"></p>
  