vendor/elcoag/symfony-process-bundle/src/Resources/views/crud/_delete_form.html.twig line 1
<form method="post" action="{{ path(app_delete, {'id': item.id}) }}" onsubmit="return confirm('Are you sure you want to delete this item?');">
<input type="hidden" name="_token" value="{{ csrf_token('delete' ~ item.id) }}">
<button class="btn btn-danger">Delete</button>
</form>