{{ form_start(form)}}
<div class="layout horizontal wrap">
    <div class="flex layout vertical">
        <div class="flex">{{ form_row(form.libelle) }}</div>
        <div class="flex">{{ form_row(form.template) }}</div>
        <div class="flex">
            {{ form_row(form.isWebserviceTemplate, {'attr': {'onchange': 'checkIsWebServiceTemplate()'}}) }}</div>
    </div>
</div>
{{ form_row(form.submit) }}
{{ form_end(form) }}

<script type="text/javascript">
    window.onload = function() {
        checkIsWebServiceTemplate();
    }
</script>