---
title: Check Nothing
overview: A template that carries no data, useful for testing.
location: https://istio.io/docs/reference/config/template/checknothing.html
layout: protoc-gen-docs
number_of_entries: 1
---
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<p>The <code>checknothing</code> template represents an empty block of data, which can useful
in different testing scenarios.</p>

<h2 id="Template">Template</h2>
<section>
<p>CheckNothing represents an empty block of data that is used for Check-capable
adapters which don&rsquo;t require any parameters. This is primarily intended for testing
scenarios.</p>

<p>Example config:</p>

<pre><code class="language-yaml">apiVersion: &quot;config.istio.io/v1alpha2&quot;
kind: checknothing
metadata:
  name: denyrequest
  namespace: istio-system
spec:
</code></pre>

</section>
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