{{#bs-form model=contact onSubmit=(route-action "submitMessage" model) as |form|}}

  {{!-- this doesn't work! --}}
  {{#form.element label="Email Address" property="email" as |el|}}
    <div class="input-group">
      <span class="input-group-addon"><i class="fa fa-envelope-o"></i></span>
      <input value={{el.value}} class="form-control" oninput={{action (mut el.value) value="target.value"}} id={{el.id}} type="email">
    </div>
  {{/form.element}}

  {{!-- this works! --}}
  {{form.element controlType="email" label="Email Address" property="email"}}

{{/bs-form}}