---
title: cf.tls_client_auth.cert_presented · Cloudflare Ruleset Engine docs
description: Returns `true` when a request presents a certificate (valid or not).
chatbotDeprioritize: false
source_url:
  html: https://developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.tls_client_auth.cert_presented/
  md: https://developers.cloudflare.com/ruleset-engine/rules-language/fields/reference/cf.tls_client_auth.cert_presented/index.md
---

# cf.tls\_client\_auth.cert\_presented

`cf.tls_client_auth.cert_presented` Boolean

Returns `true` when a request presents a certificate (valid or not).

This field is only filled in if the request includes a client certificate for [mTLS authentication](https://developers.cloudflare.com/ssl/client-certificates/enable-mtls/).

Categories:

* Request
* mTLS
