BackofficeBundle/Resources/public/template/SearchFormGroup/dateForm._tpl.html
<label for="attributes.<%- field.field_id %>" class="control-label col-md-4"><%- field.label %></label>
<div class="col-md-8">
<input type="text" name="attributes.<%- field.field_id %>" class="form-control datepicker" id="attributes.<%- field.field_id %>">
</div>