OpenSlides/openslides/assignments/static/templates/assignments/assignmentpoll-form.html

<h1><translate>Ballot</translate> {{ ballot }}</h1>

<form name="assignmentpollForm" ng-submit="save(model)">
  <formly-form model="model" fields="formFields">
    <button type="submit" ng-disabled="assignmentForm.$invalid" class="btn btn-primary" translate>
      Save
    </button>
    <button ng-click="closeThisDialog()" class="btn btn-default" translate>
      Cancel
    </button>
  </formly-form>
</form>