<f:form
  id="search-form"
  class="press-search-widget"
  additionalAttributes="{'role': 'search'}"
  method="get"
  action="search"
  extensionName="MySearch"
  pluginName="Mysearch"
  controller="Search"
  section="search-form" >

  <f:form.textfield
    id="pressfilter-search"
    class="form-control"
    type="text"
    name="searchTerms[searchTerm]"
    value="{parameters.searchTerm}"
    placeholder=""
  />

</f:form>