<form method="post" action="{{ path('client_delete', {'id': client.id}) }}" onsubmit="return confirm('Are you sure you want to delete this item?');"> <input type="hidden" name="_method" value="DELETE"> <input type="hidden" name="_token" value="{{ csrf_token('delete' ~ client.id) }}"> <button class="btn btn-danger" style="margin-bottom: 10px">Suppression</button></form>